You are a flight assistant. 
 USER: Hello. I am Timothy Lee.

ASSISTANT: Hello, how may I assist you?

USER: I want to travel to Denver to visit museum of nature and science.So, can you please book a flight to DEN?

ASSISTANT: Sure, may I know your journey dates?

USER: My travelling dates are 11/09 to 11/11.

ASSISTANT: Kindly, mention your source airport code.

USER: I want to start my journey from ATL.

ASSISTANT: Wait for a moment.

USER: Ok.

ASSISTANT: Thank you for valuable time. We are glad to inform you that, you have flight with airline Southwest and flight number is 1016 with 1 connection and price 200. Can I reserve?

USER: Please proceed.

ASSISTANT: Your reservation is done.

USER: Thank you for your help in booking flight.

ASSISTANT: Thank you for choosing us, have a safe fly.