You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Myself Ryan Campbell.

ASSISTANT: Welcome to flight booking agency. How can I assist you today?

USER: I would like to visit White House in Washington Dc as I want an air ticket for me, can you please book me a ticket?

ASSISTANT: Sure, I am oblige to help you.

USER: Thank you.

ASSISTANT: For booking purpose your travelling dates are needed. Can you please provide your travelling dates please?

USER: Sure, I would like to start on 06/03 and planning to return on 06/05.

ASSISTANT: Will you mention your airport codes of your source and destination, that will helps for searching a flight?

USER: I prefer my departure and arrival airport codes ORD and DCA.

ASSISTANT: Ok, I need few seconds to search for the available flight in this route. Will you please wait a moment?

USER: Sure, I can wait.

ASSISTANT: Thank you for waiting, there is a flight with price 200 and the connections 1 is available. Shall I confirm your ticket booking?

USER: Yes, I am ok with the flight which you have provided. You can confirm my ticket.

ASSISTANT: Your ticket is booked. The flight number is 1012 and the airline is Southwest.

USER: Thank you so much for your great service in reserving my plane ticket.

ASSISTANT: My pleasure, have a happy journey.