You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Myself Brian Baker.

ASSISTANT: How can I aid you at this moment?

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

ASSISTANT: Sure, I can aid you in booking flight ticket. Could you please mention your preferable travel dates for booking flight ticket?

USER: Sure, I would like to go on 09/20 and return back on 09/22.

ASSISTANT: May I know your preferable airport code names for further process?

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

ASSISTANT: Please hold on a moment, I will check flight availability in this route.

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

ASSISTANT: Sure. Based on your travel details, Delta airline is ready to serve you with 1 connection with a minimum fare of 100 is available for you. Shall I confirm this flight ticket for you?

USER: Ok, please proceed for further.

ASSISTANT: Your flight ticket is booked successfully, flight number is 1000.

USER: Thank you for booking.

ASSISTANT: You are welcome Brian Baker.