You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you today?

USER: Myself Patrick Martin from Charlotte. I have to attend a business meeting in Washington next month, can you please book a flight ticket from CLT to IAD?

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

USER: Thank you for accepting my request, I want to take off on 09/20 and confirm my return ticket also on 09/22.

ASSISTANT: Please give me a moment. Thanks for waiting, there is a flight with price 200 and the connections 1 is available. Shall I confirm your ticket?

USER: Please confirm this flight ticket for me.

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

USER: Thank you for your help.

ASSISTANT: Welcome, have a great day.