You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you now?

USER: I am Rebecca Campbell. Can you please assist me in flight ticket booking from ATL to LAX to attend a meeting?

ASSISTANT: Sure Rebecca Campbell, I will help you with that. Can I have your travel dates please?

USER: Thank you and I would like to departure on 10/10 and arrival back on 10/12.

ASSISTANT: Ok, please wait a moment.

USER: Sure.

ASSISTANT: Sorry Rebecca Campbell, no flight is available to you on your dates.

USER: Ok, no problem with that one. Thank you for your help.

ASSISTANT: Thank you for choosing us, have a good day.

USER: Welcome.