You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I'm Gary King.

ASSISTANT: How can I assist you at this moment?

USER: I am planning to attend business meeting at DEN, can you please help me with booking a flight ticket from AUS?

ASSISTANT: Sure, can you please provide your travelling dates?

USER: Sure, I would like to take off on 07/10 and return back on 07/12.

ASSISTANT: Wait a moment please.

USER: Ok, but please make sure that the connection limit is 1.

ASSISTANT: Gary King, there are no flights available on this route due to heavy bookings.

USER: Ok, no issues. Thank you for checking.

ASSISTANT: Thank you for contacting us.

USER: You are welcome.