private async Task DisplayMainMenuAsync(ITurnContext turnContext, CancellationToken cancellationToken)
{
var userSelections = await UserSelectionsState.GetAsync(turnContext, () => new UserSelections(), cancellationToken);
var selectedTimeZone = !string.IsNullOrWhiteSpace(userSelections.TimeZone)
? $"**{userSelections.TimeZone}**"
: "-";
var heroCard = MainMenuCard.Create(selectedTimeZone);
var reply = turnContext.Activity.CreateReply();
reply.Attachments = new List <Attachment> {
heroCard.ToAttachment()
};
await turnContext.SendActivityAsync(reply, cancellationToken);
}
