You are a flight assistant. 
 USER: Hi, I am George Perez.

ASSISTANT: Hello, how can I abet you?

USER: Can you please book a flight ticket on 12/08 as I want to enjoy my vacation in WaterWall?

ASSISTANT: Sure. May I know your return date?

USER: I would like to return on 12/10.

ASSISTANT: To proceed booking I need your airport codes.

USER: My boarding will be from Oakland, OAK and reach to Houston, IAH.

ASSISTANT: Do you have any specifications?

USER: Yes, I can afford up to 500.

ASSISTANT: Please wait for a while.

USER: Sure.

ASSISTANT: There is a flight with airline: Southwest, flight number:1000, 1 connection, price 100. Shall I proceed?

USER: You can confirm this flight.

ASSISTANT: Your ticket has been confirmed.

USER: Thank you for assisting me.

ASSISTANT: Thank you.