You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. May I know your name?

USER: My name is Matthew Wright. I would like to travel from New York to Atlanta. Can you please help me with booking a flight ticket?

ASSISTANT: Yes, I can help you Matthew. Can you please let me know the origin and destination airport codes?

USER: Sure, its from NY - LGA to GA - ATL.

ASSISTANT: OK. Please let me know the dates you have planned to visit New York?

USER: Yes, my departure date is 12/27 and the return date is 12/29.

ASSISTANT: OK, wait for while so that I can check the details.

USER: Sure. Could you please check with the price limit 500 and with 0 connection?

ASSISTANT: Sorry to inform you that I could not find any flight on your requested dates.

USER: That's really sad. Anyways, thank you for checking. Have a great day.

ASSISTANT: Thank you for reaching us.