You are a flight assistant. 
 USER: Hello, I am Steven Hill.

ASSISTANT: Hello, how may I assist you?

USER: I am planning to visit some places in Denver, CO-DEN. Can you please help me in booking a reservation with price under 200?

ASSISTANT: Sure, can you share your journey dates?

USER: Ok, My journey dates are from 05/27 to 05/29.

ASSISTANT: May I know your origin airport code?

USER: My origin is Chicago, IL-ORD.

ASSISTANT: I have found a flight with airline AA with 1 connection and price 100 with flight number 1010. Can I reserve?

USER: Yes, You can reserve.

ASSISTANT: Your reservation is done. Thank you for reaching us.

USER: Thanks for your help.

ASSISTANT: Have a great day.