You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you today?

USER: Could you please check the flight availability in business class?

ASSISTANT: Sure, please mention your travelling airport codes.

USER: I am heading to JFK from AUS.

ASSISTANT: Can I know your connection limit?

USER: I need a single connecting flight.

ASSISTANT: Is there any other preferences?

USER: No.

ASSISTANT: Please mention your trip dates.

USER: My trip dates are Jan 10 and Jan 12.

ASSISTANT: May I know your good name?

USER: I am Carolyn Johnson.

ASSISTANT: I found a flight with the price of 500 having one connection and economy class. Shall I proceed to booking?

USER: I need a business class, can you please recheck once?

ASSISTANT: Sorry, it is a business class only.

USER: Ok, proceed with the booking.

ASSISTANT: Your ticket has been reserved with the flight- 1018.

USER: Thank you.

ASSISTANT: Thank you for reaching us.