You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you today?

USER: I would like to meet my friend at Philadelphia, please book my flight ticket from DEN to PHL.

ASSISTANT: Sure, may I know your planned trip dates?

USER: Thank you. I will depart on Feb 1st and return back on Feb 3rd.

ASSISTANT: Do you have any other requirements?

USER: I have to depart in the morning.

ASSISTANT: We found an airline JetBlue of flight 1012 in an economy class with depart time 8:00 hours. Can I proceed with the booking?

USER: Yes, please book the ticket for me.

ASSISTANT: To proceed with the booking, may I know your name please?

USER: Myself Dorothy Jones.

ASSISTANT: Your seat has been reserved.

USER: Thank you very much.

ASSISTANT: Thank you for opting us.