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