Hello, Kevin Harris here.
user
Hello. How may I help you?
assistant
I have to attend a meeting but it is postpone as of now, so could you please help me to change my reservation?
user
Sure, wait a moment.
assistant
Ok.
user
Sorry to say this, there is no reservation found for you.
assistant
Ok, not a problem. Thank you for the information.
user
Welcome, have a nice day.
assistant