You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. In which way I can aid you at this moment?

USER: I would like to travel from IAD to AUS, could you help me out?

ASSISTANT: Sure, I am happy to aid you in booking flight ticket. Can you please mention your preferable travel dates for booking flight ticket?

USER: My preferable dates are from 08/18 to 08/20.

ASSISTANT: May I know your name for further process?

USER: My name is Timothy Thompson.

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

USER: Sure, take your time.

ASSISTANT: There is a flight available in this route as per your requested dates, airline is AA and connection limit of this airline is 1 with minimum fare of 200. Are you comfortable with this flight?

USER: Please proceed with the booking.

ASSISTANT: I have confirmed your flight ticket, flight number is 1012.

USER: Thank you for your help.

ASSISTANT: You are welcome Timothy Thompson.