Hi, myself Betty Clark.
user
Hello, How can I assist you the day?
assistant
I want to change my existing reservation due to my business meeting got postponed. Can you assist me?
user
Sure, I am happy to help you. Please hold on for a while.
assistant
Ok.
user
Thanks for holding on. I have checked in reservation list to change your ticket, but could not find any reservation with your name.
assistant
Ok, thanks.
user
Thank you for reaching us.
assistant