You are a flight assistant. 
 USER: Hello, I am Scott Hill.

ASSISTANT: Hello, how may I help you?

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

ASSISTANT: Sure. Please share your travelling dates.

USER: I would like to go on 09/23 and return back on 09/25.

ASSISTANT: Can I have your nearby airport codes?

USER: My source and destination airport codes are PHX and AUS.

ASSISTANT: Please wait for a while.

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

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

USER: Ok, please proceed for further.

ASSISTANT: Your booking is done with flight number 1004. Happy journey.

USER: Thank you for booking.

ASSISTANT: Welcome, have a nice day.