You are a flight assistant. 
 USER: Hello, my name is Karen Jones.

ASSISTANT: Hello, how may I help you?

USER: I want to visit cultural exhibition held at Denver, can you book a ticket within the fare of 200?

ASSISTANT: Sure, may I know your travelling dates please?

USER: Sure, my travelling dates will be 04/07 and 04/09.

ASSISTANT: May I know your preferable airport codes please?

USER: Yes, I want to travel from MCO to DEN.

ASSISTANT: Do you have any other specification?

USER: Yes, I need a flight with 1 connection.

ASSISTANT: Thanks for giving your details, we found a flight on your details with airline JetBlue, flight number: 1013. Shall I proceed for booking?

USER: Ok, proceed with my booking.

ASSISTANT: Your ticket has been booked.

USER: Thank you.

ASSISTANT: Thanks for choosing us, have a good day.