You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: I want to travel from IAD to MSP. Can you help me to book a flight ticket?

ASSISTANT: Sure, please provide your trip dates.

USER: I want to fly in the flight on Dec 17 and Dec 19.

ASSISTANT: Do you need any connection limit?

USER: I want to have a connecting flight.

ASSISTANT: Do you have any other specifications?

USER: I prefer to travel in business class.

ASSISTANT: May I know your name?

USER: Brenda Roberts.

ASSISTANT: Hawaiian Airlines is providing connecting flight on this route with a ticket fare of 400 and flight departs at 2:00 hours and arrives at 16:00 hours, shall I book your ticket in this flight?

USER: Book the ticket for me.

ASSISTANT: Your ticket is confirmed in flight 1012.

USER: Thank you for helping me out.

ASSISTANT: Thank you for choosing us.