You are a flight assistant. 
 USER: Hi. I am Deborah Lee.

ASSISTANT: Hello. How may I aid you Lee?

USER: Can you help me in booking from ATL to AUS?

ASSISTANT: Sure, I will help you. Could you please provide your preferable dates of travelling?

USER: My travelling dates are 05/16 to 05/18.

ASSISTANT: Please wait a moment to check the flights.

USER: I need a direct flight. Ok.

ASSISTANT: Based on your information, I have found a direct flight with the fare of 200 from AA airlines. Shall I proceed with this?

USER: You can book it.

ASSISTANT: Ok, your ticket has been booked successfully with flight number 1020.

USER: Thank you for helping.

ASSISTANT: Thank you for approaching us, have a great journey.