private async Task <DialogTurnResult> DustInfoStepAsync(WaterfallStepContext stepContext, CancellationToken cancellationToken)
{
var reply = MessageFactory.Attachment(CardGenerator.AttachDustCard().ToAttachment());
await stepContext.Context.SendActivityAsync(reply, cancellationToken);
dustDetail.Dosistationname = dustDetail.Dosistationname == null ? stepContext.Context.Activity.Text : stepContext.Result.ToString();
var msg = await DustInformation.GetDustInformationAsync(dustDetail.Dosistationname);
await stepContext.Context.SendActivitiesAsync(msg.ToArray(), cancellationToken);
return(await stepContext.EndDialogAsync(null, cancellationToken));
}
