You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I am planning to visit Central Park at JFK, can you help me with booking?

ASSISTANT: Sure, I am here to help you for this. Could you please share me your travel dates?

USER: My travel dates are July 19 and July 21.

ASSISTANT: Can you please provide me your source airport code?

USER: My source airport code is PHL.

ASSISTANT: Do you have any other specifications regarding your journey?

USER: I need a connecting flight.

ASSISTANT: Is there any requirements?

USER: No.

ASSISTANT: May I know your name please?

USER: I am Barbara Hill.

ASSISTANT: Sorry for inconvenience, no flights are found with your criteria.

USER: Ok, no problem. Thank you.

ASSISTANT: Thank you very much for contacting our agency.