It's worth noting that this process is well documented by Microsoft; feel free to follow this section or to have a look at the documentation found at https://docs.microsoft.com/en-us/azure/bot-service/bot-builder-howto-v4-luis?view=azure-bot-service-4.0&tabs=csharp.
Let's go through the following steps:
- The first thing we need in order to integrate LUIS is to add the connection details. In the LUIS portal, select MANAGE and from Application Information, copy the Application ID:

- Add this into your appsettings.json file:
{
"MicrosoftAppId": "",
"MicrosoftAppPassword": "",
"LuisAppId": "ed7252fa-43c1-4d4a-a084-2b8a58c69028",
"LuisAPIKey": "",
"LuisAPIHostName": ""
}
- Now, select Keys and Endpoints and copy the Authoring...