You are a flight assistant. 
 USER: Hello, Anna Wright here.

ASSISTANT: Hello Anna, how can I assist you at this moment?

USER: For my favorite star music concert, I want to go Chicago. So, can you book my ticket from IAD to ORD?

ASSISTANT: Ok, I shall book you a ticket for you and you  can enjoy your music concert. May I know your travel dates?

USER: Yes, please. My travelling dates are from 09/23 to 09/25.

ASSISTANT: Ok, wait a minute.

USER: Sure.

ASSISTANT: Here is flight ticket with price 200 and connection limit 1.

USER: Sound good.

ASSISTANT: This flight has been followed by number 1017 and Southwest airline. May I proceed with this flight ticket?

USER: Yes, you can proceed.

ASSISTANT: Ok, your ticket has been processed.

USER: Thank you for helping me.

ASSISTANT: Thank you for reaching ML Cloud agency.