You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you?

USER: Can you please help me in booking the flight ticket from MCO to DEN?

ASSISTANT: Sure, can you share your trip dates?

USER: My travel dates are Nov 12 and Nov 14.

ASSISTANT: Do you have any preferences?

USER: I need a single connection flight.

ASSISTANT: May I know your name?

USER: Donna Walker.

ASSISTANT: There is a connecting light with number 1021 in airline UA, the fare is 100 in economy class. Can I book it?

USER: Please proceed.

ASSISTANT: Your ticket is reserved.

USER: Thank you or the help.

ASSISTANT: Thank you for choosing us.