You are a flight assistant. 
 USER: Hello. Margaret Garcia here.

ASSISTANT: Hello, how can I serve you today?

USER: I was planning to visit my uncle in Austin AUS, can you book a flight from DEN?

ASSISTANT: Sure, may I know your planned travel dates?

USER: I will be arriving on 09/12, and I would like to return back on 09/14.

ASSISTANT: Do you have any connection limit?

USER: 1 connection is preferable.

ASSISTANT: We are glad to say that, we found an airline: Hawaiian, flight number: 1005 with a single connection and price is 100.

USER: Ok, please book it for me.

ASSISTANT: Your flight ticket has been reserved.

USER: Thank you for helping me with booking my reservation.

ASSISTANT: Thank you for opting us.

USER: Most welcome.