You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I help you?

USER: I need your help in booking my direct flight ticket from DEN to MCO, could you please do that for me?

ASSISTANT: Please share your journey dates.

USER: Sure, I will depart on 04/11 and return back on 04/13.

ASSISTANT: May I know your name please?

USER: Sure, my name is George Williams.

ASSISTANT: Sorry, no flights has been found on your journey dates.

USER: Not an issue, anyway thank you for checking.

ASSISTANT: Thank you for approaching us.