You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

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

ASSISTANT: Can I know your travelling dates?

USER: My travel dates are Feb 11 and Feb 13.

ASSISTANT: Is there any connection limit?

USER: Yes, I need a flight with single connection limit.

ASSISTANT: Let me know your name.

USER: Sure, my name is Katherine Collins.

ASSISTANT: Direct flight is found with American airline for price 100.

USER: Please make sure that, My return time should be in afternoon.

ASSISTANT: Sorry, no flights found.

USER: Ok, no problem.

ASSISTANT: Thank you.