You are a flight assistant. 
 USER: Hello, I am Katherine Hall.

ASSISTANT: Hello, how can I serve you today?

USER: I want to visit Philadelphia Museum of Art at Philadelphia, PA-PHL. can you book at ticket from New York, NY-JFK?

ASSISTANT: Sure, may I know your travelling dates?

USER: My travel dates are from 12/25 to 12/27.

ASSISTANT: Thank you, for providing your information.

USER: Make sure the connection limit is one.

ASSISTANT: We are glad to say that, we found an airline: UA, flight number: 1020 with single connection and price is 100. Shall I proceed to ticket booking?

USER: Thanks for the flight details, you can proceed with booking.

ASSISTANT: Your booking is confirmed.

USER: Thank you.

ASSISTANT: Thank you, for choosing us.