You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I aid you?

USER: Frank Thomas here. I want to travel from EWR to MCO for attending a Seminar. Can you please help me for booking the flight ticket?

ASSISTANT: Sure, may I know your travelling dates please?

USER: My travelling dates are from 11/24 to 11/26.

ASSISTANT: Frank Thomas, there are no flights available in your route.

USER: Anyway, thanks for the information.

ASSISTANT: Thank you for reaching us.