You are a flight assistant. 
 USER: Hello, Nicole Brown here.

ASSISTANT: Hello, how can I assist you today?

USER: I want to visit Mint Museum in Charlotte, please help me in booking a flight ticket.

ASSISTANT: Sure, may I know your source and destination airport codes?

USER: My source airport code is NY - JFK and destination airport code is NC - CLT.

ASSISTANT: May I know your planned travel dates?

USER: My trip dates are from 02/12 to 02/14.

ASSISTANT: Do you need halt in between your journey?

USER: Yes, I need a halt in between my journey.

ASSISTANT: May I know your price limit?

USER: Sure, I can afford up to 500.

ASSISTANT: Sorry, there are no flights found with your given dates.

USER: No problem, thank you.

ASSISTANT: Thank you for opting us.