Hello.
user
Hello, how may I oblige you for the day?
assistant
I am Kevin Williams. I want to change my reservation, due to postponement of concert to be held at the place where I wanted to visit, can you please take your precious time for helping me?
user
Sure, please wait for a while.
assistant
Ok.
user
Sorry, we did not found any reservation on your name.
assistant
Ok, no issues. Thank you.
user
Thank you for contacting us.
assistant