You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you today?

USER: I am George Miller. Can you please help me in booking a flight ticket from JFK to EWR?

ASSISTANT: Sure, may I know your trip dates?

USER: I would like to fly on Apr 03 and return on Apr 05.

ASSISTANT: Do you have any specifications?

USER: I would like to depart in afternoon time.

ASSISTANT: May I know your class preference?

USER: I am comfortable with any class.

ASSISTANT: We found a flight on Delta airline, flight number 1004 with the fare of 100 and depart time is 14:00PM. Can I proceed?

USER: You can proceed to booking.

ASSISTANT: Your ticket has been booked.

USER: Thank you for your help.

ASSISTANT: Thank you for reaching us.