You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

USER: Can you please help me in booking a flight ticket from DCA to AUS?

ASSISTANT: Sure, can I know the travel dates please?

USER: Sure, my travel dates are from Jan 15 to Jan 17.

ASSISTANT: Do you have any requirements?

USER: I need a break in between my journey.

ASSISTANT: May I know your name please?

USER: Myself Christine Brown. Please make sure that, I would prefer business class for my trip.

ASSISTANT: There is a connecting flight in Spirit airline, can I book.

USER: Ok, please book.

ASSISTANT: Your ticket has been booked with flight number 1001.

USER: Thank you for booking.

ASSISTANT: Thank you for approaching us.