You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you?

USER: I want to attend my business meeting, so please book my ticket from DCA to AUS.

ASSISTANT: May I know your trip dates?

USER: My itinerary dates are Jan 16 and Jan 18.

ASSISTANT: Do you prefer any connections?

USER: I am looking for a connecting flight.

ASSISTANT: May I know your specification?

USER: I prefer to travel in business class.

ASSISTANT: There is a connected flight in AA airlines with the fare 200.

USER: Is it a business class?

ASSISTANT: Yes, it's a business class.

USER: Please book my ticket.

ASSISTANT: May I know your name?

USER: James White here.

ASSISTANT: Your booking is done.

USER: Thank you for your service.

ASSISTANT: Thank you.