You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you today?

USER: I am Scott Harris and I want to visit  Denver,CO-DEN on 06/27. My boarding will be from Los angeles,CA-LAX and my return date is on 06/29.

ASSISTANT: OK, please wait a while. Let me check and revert you.

USER: OK.

ASSISTANT: Thanks for waiting. There is a AA airline with flight number 1024 and price of 200 matching your request. May I proceed with this booking?

USER: Sure, you can proceed.

ASSISTANT: OK, your booking has been confirmed.

USER: Thank you for your service.

ASSISTANT: Thank you for choosing us and have a nice day.