You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: Amanda Moore here. I want to attend a Marriage in Orlando. Can you please help me for booking the flight ticket?

ASSISTANT: Sure, may I know your planned travel dates please?

USER: My travelling dates are from 08/19 to 08/21.

ASSISTANT: Can you please share your source and destination airport codes?

USER: My airport codes are from JFK to MCO. Make sure my price limit is 200.

ASSISTANT: Sorry for the inconvenience, there is no flight available on your requested dates.

USER: Anyway, thanks for the information.

ASSISTANT: You are welcome.