You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: I want to purchase ticket from PHL to JFK, can you help me in booking my ticket?

ASSISTANT: Sure, I am here to help you out. May I know your travelling dates please?

USER: My preferred dates are Nov 7th is depart and Return 9th Nov.

ASSISTANT: Can you please share your connection limit?

USER: I need one connection between my journey.

ASSISTANT: Is there any time concern?

USER: No, but I prefer only business class.

ASSISTANT: Wait a moment please.

USER: Sure.

ASSISTANT: May I know your name please?

USER: Helen Martinez here.

ASSISTANT: Delta airlines is providing connecting flight for you with the fare of 800 in business class, shall I proceed with the booking?

USER: Proceed.

ASSISTANT: Your ticket is booked with the flight-1012.

USER: Thank you for booking.

ASSISTANT: Thank you for choosing us.