Hi.
user
Hello. How can I guide you?
assistant
I have some urgent work at my office, so I have to change my reservation. Can you please do that for me?
user
Ok, may I know your name to check and let your reservation status?
assistant
My name is Christopher Williams.
user
Sorry, Williams no active reservation found on your name to change.
assistant
Not an issue, anyway thank you for checking.
user
Most welcome.
assistant