You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I help you?

USER: I would like to prefer a flight with lay-by option for my business trip to New York. Can you book the flight ticket?

ASSISTANT: Sure, let me know your trip dates please?

USER: The trip dates are from Jan 18 to Jan 20.

ASSISTANT: Could you please share me your airport codes?

USER: The airport codes are from AUS to JFK.

ASSISTANT: Do you need any other preference?

USER: No, that is it.

ASSISTANT: Can I know your name please?

USER: I am Barbara Walker.

ASSISTANT: JetBlue Airlines is providing connecting flight with the ticket fare of 200. Shall I proceed?

USER: You can book the flight ticket.

ASSISTANT: Your ticket has been confirmed by flight number 1009 and an economy class.

USER: Thank you.

ASSISTANT: Thank you for choosing us.