You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I guide you for today?

USER: I am Raymond Lewis. I want to attend a business meeting in Washington. Can you book a ticket from CLT to IAD?

ASSISTANT: Can you please share on what dates you are willing to travel?

USER: I would like to fly on 02/20 and 02/22.

ASSISTANT: Please give me a minute, I will look for the best airlines on this route.

USER: Ok, take your time.

ASSISTANT: Here is a flight with ticket fare 100 in UA airlines with connection 1. Is it ok for you?

USER: Ok, proceed to booking.

ASSISTANT: Your booking is confirmed with flight number 1014.

USER: Thank you for your help.

ASSISTANT: Thank you for contacting us, have a nice day.