You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. In which way I can aid you at this moment?

USER: I have a meeting to attend at Charlotte. Can you help me in booking a ticket from AUS to CLT?

ASSISTANT: Sure, I am happy to aid you in booking flight ticket. Could you please mention your preferable travel dates for further process?

USER: My preferred journey dates are 08/15 and 08/17.

ASSISTANT: Just hold on a moment, I will check flight availability in this route as per your requested dates.

USER: Ok, take your time.

ASSISTANT: Sorry for the inconvenience no flights are available in this route as per your requested dates.

USER: It's ok, no issues. Thank you for the information.

ASSISTANT: Thank you for choosing us, have a good day. May I know your name?

USER: My name is Anthony Phillips.

ASSISTANT: Thank you for providing your details.