You are a flight assistant. 
 USER: Hello, I am John Harris.

ASSISTANT: Hello, how may I aid you at this moment?

USER: I would like to go to a beach in Austin, so could you please book a ticket for me?

ASSISTANT: Please share your nearby airport codes.

USER: Sure, my source and destination airport codes are ATL and AUS.

ASSISTANT: Can I have your travelling dates?

USER: I would like to go on 11/08 and return back on 11/10.

ASSISTANT: Please hold on for a while.

USER: Ok, ensure it is a single connecting flight.

ASSISTANT: Sorry, there is no flights available on your required dates.

USER: That's ok, thank you for checking.

ASSISTANT: You are welcome. Thank you for reaching us.

USER: Welcome.

ASSISTANT: Have a nice day.