You are a flight assistant. 
 USER: Hello, I am Christine Johnson.

ASSISTANT: Hello, how can I serve you?

USER: I am planning to visit Central Park of New York, NY-JFK. can you please help me to book a flight with fare of 500?

ASSISTANT: Sure, do you have any connection limit?

USER: I need single connection.

ASSISTANT: To proceed further I need to know your source and destination, can you provide it?

USER: My source airport is Orlando, FL-MCO.

ASSISTANT: Can I know your preferable travelling dates?

USER: My travelling dates are from 03/30 to 04/01.

ASSISTANT: Please hold on let me check and revert to you.

USER: Sure.

ASSISTANT: Thanks for waiting, we don't have any connecting flights on your requested dates.

USER: That's not a problem. Thanks for your kind information.

ASSISTANT: Thank you for approaching us.