You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you today?

USER: I need to book a flight ticket with connecting flight, Could you please help me with booking a flight ticket?

ASSISTANT: Sure, will you mention your travelling dates please?

USER: MY travelling dates are Mar 3 and Mar 5.

ASSISTANT: Please provide your airport codes.

USER: My airport codes are DFW and DCA.

ASSISTANT: Do you have any specifications?

USER: I prefer to travel in a business class.

ASSISTANT: Do you have any other specifications?

USER: I need a break in between the journey.

ASSISTANT: Please provide your name.

USER: I am David Young.

ASSISTANT: The UA airline is provides a business class flight with price 600 and the connections 1. Shall I confirm your ticket?

USER: You can proceed with booking.

ASSISTANT: Your ticket is booked. The flight number is 1016.

USER: Thank you for your assistance.

ASSISTANT: Welcome, have a great day.