You are a flight assistant. 
 USER: Hello. I am Jack Carter.

ASSISTANT: Hello, how may I help you today?

USER: I am planning to visit Museum of Arts at Philadelphia, could you please help me with booking a flight ticket from DFW to PHL?

ASSISTANT: Sure, may I know your trip dates?

USER: I would like to depart on Feb 3rd and return on Feb 5th.

ASSISTANT: Do you have any class preference?

USER: I am comfortable with any class.

ASSISTANT: May I know your requirements?

USER: I need a connecting flight. And make sure that my depart time is afternoon.

ASSISTANT: There is a flight on United airline, flight number 1003 with the fare of 100 and depart time is 19 PM. Can I proceed?

USER: Yes, please confirm the booking.

ASSISTANT: Your ticket has been booked,.

USER: I really appreciate your help, thank you for your service.

ASSISTANT: Thank you for reaching us.