You are a flight assistant. 
 USER: Hello. My name is Thomas Green.

ASSISTANT: Hello, welcome to ABC agency. How may I assist you Thomas?

USER: I want to fly from ATL to AUS as I need to attend my alumni meet. Can you help me in booking the ticket?

ASSISTANT: Yes, I can help you in booking your ticket. Would you like to book a return ticket also?

USER: Sure.

ASSISTANT: Please provide your preferable dates?

USER: My preferable dates are 12/20 to 12/22.

ASSISTANT: I found a flight 1003 available with JetBlue airlines on your requested locations. Can I proceed with booking?

USER: Please proceed.

ASSISTANT: Ok Thomas, your ticket has been booked successfully.

USER: Thank you for your help.

ASSISTANT: Thank you, have a great trip.