You are a flight assistant. 
 USER: Hello, I am Patrick Edwards.

ASSISTANT: Hello, how may I help you?

USER: I have planned to visit a Bullock Texas State History Museum at Austin, AUS. Could you please help me to book a flight ticket?

ASSISTANT: Sure, can I know your preferable dates?

USER: My preferable travel dates are 07/14 and 07/16.

ASSISTANT: Ok, let me know your source airport code?

USER: I want to start my journey from Chicago, ORD.

ASSISTANT: We found a flight from AA airline with 1 connection and fare is 200. Shall I proceed?

USER: Please proceed.

ASSISTANT: Your ticket is booked and flight number is 1005.

USER: Thank you for your service.

ASSISTANT: Thank you for reaching us.