Hello, Melissa Carter this side.
user
Hello. What can I do for you?
assistant
I want to alter my reservation, due to postponement of concert to be held at the place where I wanted to visit, can you please take your some time for helping me?
user
Certainly, please wait a moment, I will inform you.
assistant
Sure, I will be on line.
user
No reservation found on your name Melissa Carter.
assistant
Ok, it may be cancelled by my colleagues, any way thank you for giving information.
user
Thank you for approaching us.
assistant
You are welcome.
user