You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I guide you today?

USER: I am Michelle Rodriguez want to attend a business conference at Washington, can you help me to book a direct flight?

ASSISTANT: Sure, can you please mention your dates of journey?

USER: Sure, my travelling dates will be 10/20 and 10/22.

ASSISTANT: Ok, could you please provide me with your respective airports codes?

USER: Ok, I want to fly from PHX to IAD.

ASSISTANT: Please wait for a moment.

USER: Ok.

ASSISTANT: I found a flight with the connecting flight of fare 200 and the airline is naming as Delta, shall I proceed with this booking?

USER: Yes, proceed with my booking.

ASSISTANT: Ok, your ticket has been confirmed with the flight number 1023.

USER: Thank you.

ASSISTANT: You are welcome, have a happy journey.