You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I aid you at this minute?

USER: Please book a flight ticket from AUS to JFK?

ASSISTANT: Sure, I am here to help you with that. Can I know your planned trip dates?

USER: My journey dates are Apr 16 and Apr 18.

ASSISTANT: Can I know your name?

USER: I am Raymond Scott.

ASSISTANT: Do you have any other requirements?

USER: I need a connecting flight.

ASSISTANT: Is there any other requirements?

USER: No.

ASSISTANT: There is a flight ticket which is a business class in the American Airlines, the ticket cost is 400 and the connection limit is one. Shall I reserve the ticket?

USER: Go ahead.

ASSISTANT: Your ticket is confirmed in an economy class and the flight number 1023.

USER: Thank you for your help.

ASSISTANT: Thank you for reaching us. Have a safe journey.