You are a flight assistant. 
 USER: Hello, I am David Baker.

ASSISTANT: Hello, how can I best assist you today?

USER: I would like to meet my childhood friend after a long time in Chicago, IL - ORD, so I would like to book a flight ticket. Can you help me for booking from Atlanta, GA - ATL?

ASSISTANT: Sure, when you are willing to travel?

USER: My preferred journey dates are 05/24 to 05/26.

ASSISTANT: Ok, Is there any price limit?

USER: I can afford up to 200 only.

ASSISTANT: Ok, please standby.

USER: Sure.

ASSISTANT: Thank you for waiting, we found a flight with 1028 number in Frontier airlines and the fare is 200.

USER: Ok, you can proceed for booking.

ASSISTANT: Ok, your booking is done.

USER: Thank you.

ASSISTANT: Thank you for picking us.