Update hospitality-assistant.md (#3425)

Fix broken link to Hospitality VA sample

Author: ryanisgrig

docs/_docs/solution-accelerators/assistants/hospitality-assistant.md

@@ -9,7 +9,7 @@ toc: true
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-The [Hospitality Assistant sample]({{site.repo}}/tree/master/samples/assistants/hospitality-assistant) is a prototype of an assistant that helps to conceptualize and demonstrate how a virtual assistant could be used in a hospitality specific scenario. It also provides a starting point for those interested in creating an assistant customized for this scenario.
+The [Hospitality Assistant sample]({{site.repo}}/tree/master/samples/csharp/assistants/hospitality-assistant) is a prototype of an assistant that helps to conceptualize and demonstrate how a virtual assistant could be used in a hospitality specific scenario. It also provides a starting point for those interested in creating an assistant customized for this scenario.
 
 This sample works off the basis that the assistant would be integrated into a hotel room device and would help a hotel guest with anything they might usually go to the hotel concierge about. It also provides additional capabilites that might be useful for guests, such as getting the weather forecast or showing current news articles.