You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you?

USER: This is David Green. I want to book a flight ticket from Atlanta, GA - ATL to Austin, TX - AUS. Can you please help me in that?

ASSISTANT: Sure. May I know your travel dates?

USER: My travel dates are 11/20 - 11/22.

ASSISTANT: Do you need any flag stop?

USER: Yes I need a halt.

ASSISTANT: Please wait for a while.

USER: Ok.

ASSISTANT: We found a Southwest airline with connecting flight and flight number is 1010 and fare is 100. Shall I proceed for booking?

USER: You can reserve it.

ASSISTANT: Ok.

USER: Thank you.

ASSISTANT: Thank you.