public async Task SelectWorksheet(IDialogContext context, LuisResult result)
        {
            // Telemetry
            TelemetryHelper.TrackDialog(context, result, "Worksheets", "SelectWorksheet");

            string workbookId = String.Empty;

            context.UserData.TryGetValue <string>("WorkbookId", out workbookId);

            WorksheetName = LuisHelper.GetNameEntity(result.Entities);

            if (!(String.IsNullOrEmpty(workbookId)))
            {
                if (!(String.IsNullOrEmpty(WorksheetName)))
                {
                    await WorksheetWorker.DoSelectWorksheetAsync(context, WorksheetName);

                    context.Wait(MessageReceived);
                }
                else
                {
                    // Call the SelectWorksheet Form
                    SelectWorksheetForm.Worksheets = await WorksheetWorker.GetWorksheetNamesAsync(context, workbookId);

                    context.Call <SelectWorksheetForm>(
                        new FormDialog <SelectWorksheetForm>(new SelectWorksheetForm(), SelectWorksheetForm.BuildForm, FormOptions.PromptInStart),
                        SelectWorksheet_FormComplete);
                }
            }
            else
            {
                context.Call <bool>(new ConfirmOpenWorkbookDialog(), AfterConfirm_SelectWorksheet);
            }
        }
        public async Task AfterConfirm_SelectWorksheet(IDialogContext context, IAwaitable <bool> result)
        {
            if (await result)
            {
                // Get access token to see if user is authenticated
                ServicesHelper.AccessToken = await context.GetAccessToken(ConfigurationManager.AppSettings["ActiveDirectory.ResourceId"]);

                string workbookId = String.Empty;
                context.UserData.TryGetValue <string>("WorkbookId", out workbookId);

                // Call the SelectWorksheet Form
                SelectWorksheetForm.Worksheets = await WorksheetWorker.GetWorksheetNamesAsync(context, workbookId);

                context.Call <SelectWorksheetForm>(
                    new FormDialog <SelectWorksheetForm>(new SelectWorksheetForm(), SelectWorksheetForm.BuildForm, FormOptions.PromptInStart),
                    SelectWorksheet_FormComplete);
            }
            context.Wait(MessageReceived);
        }