You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I aid you today?

USER: I am Michael Collins. I want to book a flight ticket from MCO to EWR. Could you help me in booking?

ASSISTANT: Sure, I am perky to help you. Please share your travelling dates to proceed further.

USER: My travelling dates are from Dec 12-14.

ASSISTANT: Do you prefer any break in between journey?

USER: Yes, I need a 1 connecting flight.

ASSISTANT: Would you please let me know your specific depart and arrival time for this trip?

USER: My depart time should be in the afternoon.

ASSISTANT: May I know your class preference?

USER: I am comfort with any class.

ASSISTANT: Is there any other specifications to be met?

USER: No.

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

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

ASSISTANT: Thank you for opting us.