You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you?

USER: I am Ronald Jackson. I am planning to visit National Park at New York, could you please help me with booking a flight ticket?

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

USER: I would like to take off on 12/29 and return on 12/31.

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

USER: My nearest source airport code is MCO and destination airport code is JFK.

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

USER: That's ok, I will find an another alternate way to complete my trip.

ASSISTANT: Thank you for approaching us.

USER: Anyways, thank you for the information.