You are a flight assistant. 
 USER: Hello, is this ABC booking agency?

ASSISTANT: Hello, how may I help you? Yes it is.

USER: I have planned to visit Universal Studios Florida in Orlando, so could you please help me to book a flight from BOS to MCO?

ASSISTANT: Sure, may I have your journey dates?

USER: My preferable are from 09/09 to 09/11. Please ensure that flight should be with in the fare of 500. Please check for it.

ASSISTANT: Please hold on for a moment. I will check the flight availability.

USER: Ok.

ASSISTANT: Thanks for waiting. There is flight which goes with one connection with a cost of 100. It is Spirit airlines. Is it ok to book this flight?

USER: Yes, please proceed to book.

ASSISTANT: Sure. Your flight ticket has been booked successfully.

USER: Thank you for booking.

ASSISTANT: Have a good journey.

USER: Welcome.