You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: I am Jennifer Thomas.

ASSISTANT: Yes, Thomas.

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

ASSISTANT: Can you help me with your source and destination airport codes please?

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

ASSISTANT: May I know your planned travel dates please?

USER: I would like to take off on 10/25 and return on 10/27.

ASSISTANT: There are no flights available on those dates to serve you.

USER: That's ok, I will find an another alternate way to complete my trip. Thank you for the information.

ASSISTANT: Thank you for choosing us.