You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. In which way I can aid you today?

USER: I have to attend a Live Concert at Detroit, could you please help me with booking a flight ticket from JFK to DTW?

ASSISTANT: Sure, I will aid you with that. Can you please mention your preferable travel dates?

USER: I would like to depart on Sept 10th and return on Sept 12th.

ASSISTANT: May I know your name for further process?

USER: I am Jeffrey Lewis.

ASSISTANT: Is there any additional preferences do you have?

USER: I need a connecting flight in economy class. And make sure that my return time must be afternoon.

ASSISTANT: Ok, please wait a moment.

USER: Sure, take your time.

ASSISTANT: Sorry, no flights are available in this route as per your requested dates.

USER: Ok, not an issue. Anyways, thank you for the information.

ASSISTANT: Thank you for reaching us.