diff --git a/.gitignore b/.gitignore
index 54cebc8e..019b372c 100644
--- a/.gitignore
+++ b/.gitignore
@@ -19,6 +19,9 @@ bld/
 [Bb]in/
 [Oo]bj/
 
+# Visual Studio 2015 cache/options directory
+.vs/
+
 # Roslyn cache directories
 *.ide/
 
diff --git a/Core/ServiceObjects/Items/Booking.cs b/Core/ServiceObjects/Items/Booking.cs
new file mode 100644
index 00000000..a8e6eaf1
--- /dev/null
+++ b/Core/ServiceObjects/Items/Booking.cs
@@ -0,0 +1,39 @@
+/*
+ * Exchange Web Services Managed API
+ *
+ * Copyright (c) Microsoft Corporation
+ * All rights reserved.
+ *
+ * MIT License
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy of this
+ * software and associated documentation files (the "Software"), to deal in the Software
+ * without restriction, including without limitation the rights to use, copy, modify, merge,
+ * publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons
+ * to whom the Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all copies or
+ * substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED *AS IS*, WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED,
+ * INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
+ * PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE
+ * FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
+ * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
+ */
+
+namespace Microsoft.Exchange.WebServices.Data
+{
+    using System;
+
+    [Attachable]
+    [ServiceObjectDefinition(XmlElementNames.Booking)]
+    public class Booking : Appointment
+    {
+        public Booking(ExchangeService service)
+    : base(service)
+        {
+        }
+    }
+}
\ No newline at end of file
diff --git a/Core/ServiceObjects/ServiceObjectInfo.cs b/Core/ServiceObjects/ServiceObjectInfo.cs
index 0145000b..86ebc0fc 100644
--- a/Core/ServiceObjects/ServiceObjectInfo.cs
+++ b/Core/ServiceObjects/ServiceObjectInfo.cs
@@ -72,6 +72,13 @@ private void InitializeServiceObjectClassMap()
                 delegate(ExchangeService srv) { return new Appointment(srv); },
                 delegate(ItemAttachment itemAttachment, bool isNew) { return new Appointment(itemAttachment, isNew); });
 
+            // Booking
+            this.AddServiceObjectType(
+                XmlElementNames.Booking,
+                typeof(Booking),
+                delegate (ExchangeService srv) { return new Booking(srv); },
+                delegate (ItemAttachment itemAttachment, bool isNew) { return new Appointment(itemAttachment, isNew); });
+
             // CalendarFolder
             this.AddServiceObjectType(
                 XmlElementNames.CalendarFolder,
diff --git a/Core/XmlElementNames.cs b/Core/XmlElementNames.cs
index 2b1bf60c..765d1053 100644
--- a/Core/XmlElementNames.cs
+++ b/Core/XmlElementNames.cs
@@ -207,6 +207,7 @@ internal static class XmlElementNames
         public const string AccessLevel = "AccessLevel";
         public const string Presenters = "Presenters";
         public const string CalendarItem = "CalendarItem";
+        public const string Booking = "Booking";
         public const string CalendarFolder = "CalendarFolder";
         public const string Attendee = "Attendee";
         public const string ResponseType = "ResponseType";
diff --git a/Microsoft.Exchange.WebServices.NETStandard.csproj b/Microsoft.Exchange.WebServices.NETStandard.csproj
index 4cee8984..214954eb 100644
--- a/Microsoft.Exchange.WebServices.NETStandard.csproj
+++ b/Microsoft.Exchange.WebServices.NETStandard.csproj
@@ -1,8 +1,8 @@
-<Project Sdk="Microsoft.NET.Sdk">
-
+<Project Sdk="Microsoft.NET.Sdk">
+
   <PropertyGroup>
     <VersionPrefix>2.0.0</VersionPrefix>
-    <TargetFrameworks>netstandard2.0;net461</TargetFrameworks>
+    <TargetFramework>netstandard2.0</TargetFramework>
     <AssemblyName>Microsoft.Exchange.WebServices.NETStandard</AssemblyName>
     <PackageId>Microsoft.Exchange.WebServices.NETStandard</PackageId>
     <GenerateAssemblyTitleAttribute>false</GenerateAssemblyTitleAttribute>
@@ -26,7 +26,7 @@ restored ldap autodiscover functionality
 merged changes from official Microsoft repository
 added cancellation token for most of methods
     </PackageReleaseNotes>
-    <Version>2.0.0-beta2</Version>
+    <Version>2.0.0-beta5</Version>
     <PackageLicenseFile>license.txt</PackageLicenseFile>
   </PropertyGroup>
 
@@ -35,28 +35,28 @@ added cancellation token for most of methods
     <Reference Include="System.Security" />
     <Reference Include="System" />
     <Reference Include="Microsoft.CSharp" />
-  </ItemGroup>
-
+  </ItemGroup>
+
   <ItemGroup Condition="'$(TargetFramework)' == 'netstandard2.0'">
     <PackageReference Include="System.Security.Cryptography.Xml">
       <Version>4.7.0</Version>
     </PackageReference>
-  </ItemGroup>
-
+  </ItemGroup>
+
   <ItemGroup>
     <Compile Remove="Credentials\BasicAuthModuleForUTF8.cs" />
-  </ItemGroup>
-
+  </ItemGroup>
+
   <ItemGroup>
     <PackageReference Include="System.DirectoryServices" Version="4.7.0" />
     <PackageReference Include="System.Net.Http" Version="4.3.3" />
-  </ItemGroup>
-
+  </ItemGroup>
+
   <ItemGroup>
     <None Include="license.txt">
       <Pack>True</Pack>
       <PackagePath></PackagePath>
     </None>
-  </ItemGroup>
-
-</Project>
+  </ItemGroup>
+
+</Project>