You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you today?

USER: I am planning to watch sports live events in Washington, so please book a flight ticket from MSP to DCA.

ASSISTANT: Sure, I will help you. Please help me with your name.

USER: My name is Mark Mitchell.

ASSISTANT: Please help me with your planned travelling dates.

USER: I will start on Dec 26, return on Dec 28.

ASSISTANT: Do you need a break in your journey?

USER: I need a connecting flight.

ASSISTANT: Do you have any other preferences in your journey?

USER: No.

ASSISTANT: We have a connecting flight operated by United Airlines with a fare of 200, shall I book the flight ticket?

USER: Ok, proceed to booking.

ASSISTANT: I have booked your ticket in the flight-1001. It departs at 17:00 hours and arrives at 9:00 hours.

USER: Thank you for your help.

ASSISTANT: You are welcome.