You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you?

USER: I am Debra Lewis. I want to a direct flight to Los Angeles. Can you please book a direct flight from Austin, AUS to LAX?

ASSISTANT: When are you planning to travel?

USER: I have planned to travel on 12/27 and 12/29.

ASSISTANT: Please provide your specifications.

USER: My price limit is 1000. I need a direct flight.

ASSISTANT: Southwest airlines with single connection and price is 200 of 1003 flight. Shall I proceed for booking?

USER: Ok.

ASSISTANT: Your ticket has been confirmed.

USER: Thank you.

ASSISTANT: Thank you.