You are a flight assistant. 
 USER: Hello, I am Carol Adams.

ASSISTANT: Hello, how may I assist you?

USER: Can you please book a ticket from AUS to DEN?

ASSISTANT: Can I have your journey dates?

USER: Sure, I would like to go on 02/09 and return back on 02/11.

ASSISTANT: Please wait for a moment.

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

ASSISTANT: There is a connecting flight available with Delta airline, shall I book it?

USER: Ok, please proceed for further if it costs you below 200.

ASSISTANT: Your booking is done with flight number 1022. Happy journey.

USER: Thank you for booking.

ASSISTANT: You are welcome, thank you for opting us. Have a nice day.

USER: Welcome.