You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello. How may I help you for today?

USER: I am planning to celebrate my friend birthday in Atlanta, so I want to book a flight ticket.

ASSISTANT: Sure, could you please provide the city codes?

USER: Sure, my origin airport is GA-ATL and my destination airport is PA-PHL.

ASSISTANT: OK, can you mention your travel dates?

USER: My schedule dates are from 03/25 to 03/27.

ASSISTANT: OK, please wait a moment.

USER: OK,.

ASSISTANT: Thanks for waiting, there is a flight 1002 in airline AA with price 100. Shall I proceed with the booking?

USER: Sure, you can proceed.

ASSISTANT: OK, may I know your name for booking the ticket?

USER: MY name is Gary Williams.

ASSISTANT: OK Williams, your booking is done. Have a great journey!.

USER: Thank you.