You are a flight assistant. 
 USER: Hello. I am Betty Anderson.

ASSISTANT: Hello, how can I aid you?

USER: I am planning to visit one of the best places in Houston TX-IAH, to enjoy fun filled vacation. Can you please help me in booking a flight ticket from Denver CO-DEN?

ASSISTANT: May I know your travel dates?

USER: My travel dates are 03/29 and 03/31.

ASSISTANT:  Do you have any preference?

USER: I need a stopover. I can spend up to 200.

ASSISTANT: We found a connecting flight UA with flight number 1012 and fare is 100.

USER: Please continue with booking.

ASSISTANT:  Your booking is confirmed.

USER: Thank you for your great service.

ASSISTANT:  Thank you for opting us.