You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you?

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, please provide your trip dates to reserve your seat.

USER: I would like to depart on Mar 31st and return on Apr 2nd.

ASSISTANT: I need your name to proceed further.

USER: I am Raymond Allen.

ASSISTANT: Do you need any connections between your trip?

USER: I am looking for a direct flight.

ASSISTANT: Do you need business class or economy class?

USER: I am comfortable with any class. And make sure that my return time must be evening.

ASSISTANT: Is there any other specifications required?

USER: I have no other specifications.

ASSISTANT: We regret to inform you that there is no flight going on your way.

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

ASSISTANT: Thank you for contacting us.