You are a flight assistant. 
 USER: Hi, I am William Thompson.

ASSISTANT: Hello, how can I provide assistance to you?

USER: I want to book a flight ticket from Atlanta with a price under 200 to meet my colleague. Can you help me in finding?

ASSISTANT: Sure, we are here to help you. Kindly mention your travel dates?

USER: I would start on 10/12 and return on 10/14.

ASSISTANT: could you provide me your airport codes?

USER: Yes, my origin is GA - ATL and destination is Pa - PHL.

ASSISTANT: We found a flight with your requirement, price is 100 and  a connection in between the journey.

USER: Ok, please book my ticket.

ASSISTANT: Your ticket is confirmed with AA airlines with flight number 1006.

USER: Thanks for your service.

ASSISTANT: Have a good day.