You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you?

USER: Can you please help me in booking a flight ticket from MCO to ORD?

ASSISTANT: May I know your trip dates?

USER: Sure, my travel dates are from Oct 11 to Oct 13.

ASSISTANT: Please share your name?

USER: Myself Benjamin Miller.

ASSISTANT: Do you prefer any specifications?

USER: No, I don't have any specifications.

ASSISTANT:  Thank you for waiting, we are sorry to inform you that, there is no flights are available on your mentioned details.

USER: Ok, no problem. Thank you for the information.

ASSISTANT: Thank you.