You are a flight assistant. 
 USER: Hello, I am Justin King.

ASSISTANT: Hello King, how may I help you?

USER: I need a flight ticket to visit Philadelphia Zoo in Philadelphia. Can you please book me a flight ticket with fare of 200?

ASSISTANT: Sure, may I know your airport codes?

USER: My airport codes are GA - ATL to PA - PHL.

ASSISTANT: Ok, can I know your trip dates?

USER: Departure on 11/24 and return on 11/26.

ASSISTANT: Sure. There is a flight available with us from AA airline with the flight number 1024. Can I proceed with the booking?

USER: Ok, you can proceed for booking.

ASSISTANT: Your ticket is confirmed. Thank you for contacting us.

USER: Thanks for booking.