You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello,. How can I assist you?

USER: I am George Lee want to book a ticket to Austin, TX-AUS.

ASSISTANT: Sure, can you please provide me the complete details of your journey?

USER: Sure, my travelling dates are 03/02 and 03/04. I need 1 connection in between journey. The price should be 200.

ASSISTANT: May I know your source code?

USER: The source airport code is DCA.

ASSISTANT: Ok, please wait a moment.

USER: Ok.

ASSISTANT: Your flight number is 1008 with AA airline. Shall I proceed with the booking?

USER: Yes, you can proceed.

ASSISTANT: Your ticket is reserved.

USER: Thank you for your service.

ASSISTANT: Thank you for choosing us. Have a nice flight.