You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you?

USER: I have planned to visit DFW from JFK, please assist me in booking.

ASSISTANT: Sure, can you share your trip dates?

USER: My preferred dates are Mar 10th and return Mar 12th.

ASSISTANT: Do you have any preferences?

USER: Yes, I need economy class.

ASSISTANT: May I know your name?

USER: Barbara Martinez.

ASSISTANT: There is a connecting flight with number 1002 in airline Spirit, the fare is 100 in economy class. Can I book it?

USER: Proceed.

ASSISTANT: Your ticket is reserved, the depart time is 23:00 hours and return time is 13:00 hours.

USER: Thank you for booking.

ASSISTANT: Thank you for opting us.