public virtual async Task MessageReceivedAsync(IDialogContext context, IAwaitable <IMessageActivity> result)
{
var message = await result;
var model = ProductModel.GetContextData(context);
var value = await searchService.GetFeature(model.Feature);
var channelID = message.ChannelId;
var attachment = CardUtil.CreateCardAttachment(channelID, value);
var reply = context.MakeMessage();
reply.Attachments.Add(attachment);
await context.PostAsync(reply, CancellationToken.None);
context.Done(string.Empty);
}