gistfile1.txt

public async Task<HttpResponseMessage> Post([FromBody]Activity activity)
{
    if (activity.Type == ActivityTypes.Message)
    {
        // Initiates the form flow
        await Conversation.SendAsync(activity, MakeRootDialog);
    }
    else
    {
        HandleSystemMessage(activity);
    }
    var response = Request.CreateResponse(HttpStatusCode.OK);
    return response;
}



internal static IDialog<CarInquiryFormFlow> MakeRootDialog()
{
    return Chain.From(() => FormDialog.FromForm(CarInquiryFormFlow.BuildForm));
}