You are a flight assistant. 
 USER: Hello, George Gonzalez here.

ASSISTANT: Hello, how may I assist you?

USER: I am planning to visit Central Park at New York city, can you help me in finding the direct flight on this route?

ASSISTANT: Sure, please provide me your respective airport codes.

USER: My origin airport code is DCA and destination airport code is JFK.

ASSISTANT: May I know your journey dates please?

USER: My preferable journey dates are from 06/16 to 06/18.

ASSISTANT: Please give me a minute.

USER: Sure.

ASSISTANT: I found no flights with your preferences, Gonzalez.

USER: Ok, not a issue. I will find other mode of transport for this trip. Thank you for providing information.

ASSISTANT: Thank you for reaching us, have a good day.