You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: I am Raymond Thompson. My friend live at Los Angeles and my plan is to meet him on this winter. Help me to find a flight on 12/23, and I will return on 12/25.

ASSISTANT: Sure, we are here to help you. May I know your airport codes?

USER: Sure, I need a flight from airport AUS to airport LAX.

ASSISTANT: Wait a while, I will be back and confirm your flight.

USER: Sure.

ASSISTANT: I have found a flight with airline AA and the flight number is 1003 with price 200 and single connection. Can I reserve?

USER: Sure.

ASSISTANT: Your reservation is done. Thank you for your help.

USER: Thank you for the booking.

ASSISTANT: Have a safe journey.