You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you?

USER: I am Carolyn Garcia. Please book a flight ticket from MCO to DTW.

ASSISTANT: Sure, can you please share your travel dates?

USER: I will start on Mar, 20 and return back on Mar, 22.

ASSISTANT: Do you have any connection limit?

USER: I need a direct flight.

ASSISTANT: May I know your departure and arrival time?

USER: My return time should be at afternoon.

ASSISTANT: May I know your airline preference?

USER: I am comfortable with any airlines.

ASSISTANT: Which class do you prefer?

USER: I am comfortable with any class.

ASSISTANT: Sorry, there are no flights in this route as per your travelling details.

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

ASSISTANT: Thank you for choosing us.