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

ASSISTANT: Hello. How can I aid you?

USER: I am planning to going for dangerous adventures at New York, NY-LGA. Can you please help me to book a flight ticket from Denver, CO-DEN?

ASSISTANT: Sure, Do you have any connection limit?

USER: I need single connection flight.

ASSISTANT: May I know your travelling dates?

USER: My ravelling dates are from 11/12 to 11/14.

ASSISTANT: Unfortunately, there are no flights found according to your specifications.

USER: That's not a problem. Thanks for your response.

ASSISTANT: Thank you for choosing us.