You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Shirley Moore here.

ASSISTANT: How may I help you?

USER: I would like to meet my childhood friend in Austin, can you please help me out with booking of a flight ticket?

ASSISTANT: Sure, I will help you out.

USER: Thank you.

ASSISTANT: May I know your airport codes please?

USER: I want to travel from LAS to AUS.

ASSISTANT: Can I know on which dates are you going to travel?

USER: My boarding is on 12/20 and please book my return ticket on 12/22.

ASSISTANT: Ok, please wait a moment.

USER: Sure, take your time to check.

ASSISTANT: There is a flight with price 200 and connection 1, can I proceed with this flight?

USER: It's perfect, you can proceed with booking.

ASSISTANT: Ok, your ticket has been booked.

USER: You have done a great job, thank you for your help.

ASSISTANT: Thank you for approaching us.

USER: Welcome.