You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

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

ASSISTANT: Sure, may I know your travelling dates?

USER: Sure, my travel dates are from Feb 15 to Feb 17.

ASSISTANT: May I know your name?

USER: Myself Linda Young.

ASSISTANT: Do you need a connecting flight?

USER: I would prefer direct flight for my trip.

ASSISTANT: Ok, may I know your other specifications?

USER: No more requirements.

ASSISTANT: Sorry, there are no direct flights available on your request.

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

ASSISTANT: Thank you for choosing us.