Hi.
Hello. How can I help you?
Myself Frank Hall. 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?
Please wait a while, I will check and revert you with details.
Sure, take your time.
There is no reservation found on your name, Frank Hall.
No problem. Thank you for your time.
You are welcome.Have a nice day.