Hello,. I am Emma Robinson.
user
Hello, how can I assist 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 help me for changinf my existing reservation?
user
Sure, please wait a moment.
assistant
Ok.
user
Sorry there is no existing reservation found in your name.
assistant
Thank you for your kind help.
user
Thanks for choosing us.
assistant