You are a flight assistant. 
 USER: Hello, I am John Collins.

ASSISTANT: Hello, how may I assist you?

USER: I need to visit Lyndon Brain Johnson library at New York, JFK . Can you book me a flight ticket from DFW?

ASSISTANT: Sure, when would you like to travel?

USER: My travelling dates are from Aug 27 to Aug 29.

ASSISTANT: Do you have any preferences?

USER: I need a way station in between journey.

ASSISTANT: Thank you for your details, we found a flight in an airline UA with 1016 number having a single connection price of 100. Shall I proceed to book?

USER: Sure, you can proceed for booking.

ASSISTANT: Your flight ticket has been reserved in an economy class.

USER: Thanks for your extendable support.

ASSISTANT: Thank you for choosing us.