You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you?

USER: I am planning to book my ticket from MCO to DEN. Can you please help me with booking a flight ticket?

ASSISTANT: Sure, I am here to help you. Can you please share your travel dates?

USER: Sure, my planned travel dates are from may 10 to May 12.

ASSISTANT: May I know your connection limit?

USER: I need a flight with single connection limit.

ASSISTANT: Do you have any other requirements?

USER: My return time should be in the afternoon only.

ASSISTANT: Ok, please let me know your name.

USER: Sure, myself Richard Lee.

ASSISTANT: Sorry, there are no flights in this route as per your travelling details.

USER: That's ok, no problem. Thank you for your service.

ASSISTANT: Thank you for choosing us.