You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Paul Green.

ASSISTANT: Paul, how may I guide you?

USER: I am planning to book a ticket to attend a meeting at ATL. Can you please help me out to book a ticket from IAD?

ASSISTANT: Sure, I will help you. When you are willing to travel?

USER: These are my travelling dates 04/14 and return back on 04/16.

ASSISTANT: Just a moment. As per your requirements, I found a flight with UA airlines and the ticket fare is 100. Shall I proceed for booking?

USER: Please proceed the booking.

ASSISTANT: Sure Paul, your ticket is booked with the flight-1008.

USER: Thank you for your service.

ASSISTANT: You are most welcome.