You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, How can I assist you?

USER: I am planning to book a ticket from JFK to MCO to attend seminar, can you help me in booking?

ASSISTANT: Sure, May I know the journey dates?

USER: I am departing on Dec 20 and return on Dec 22.

ASSISTANT: Do you have any connection limit?

USER: I want a flight with connection limit 1.

ASSISTANT: Do you have any preference in return time?

USER: I am planning to depart in evening time.

ASSISTANT: Is there any other requirements?

USER: I want a business class flight.

ASSISTANT: May I know your name?

USER: My name is Thomas Green.

ASSISTANT: Please wait a minute.

USER: Sure, take your time.

ASSISTANT: Sorry, No flights found with your chosen dates.

USER: That's ok, thank you for your information.

ASSISTANT: Thank you for availing us.