You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you today?

USER: I am Mark Baker. I want to book a flight ticket from DFW to MCO. Could you help me in booking?

ASSISTANT: Sure, I am here to help you with that, can you share me your planning dates?

USER: My planned travelling dates are from Feb 27-29.

ASSISTANT: Do you have any connection limit?

USER: Yes, I need 1 connecting flight.

ASSISTANT: Do you have any other specifications?

USER: My depart time is in morning and return time in afternoon.

ASSISTANT: Sorry, no flights are available on your travel dates.

USER: That's ok, no problem.

ASSISTANT: Thank you for reaching us.

USER: Thank you.