Hi.
user
Hello, how may I help you?
assistant
Would it be possible to change my recent reservation?
user
Sure, may I know your name please?
assistant
Sure, I am Benjamin Parker.
user
Ok, please wait for a while.
assistant
Sure.
user
Sorry to inform you, there is no active reservation found with your name in our records.
assistant
It's ok, thanks for your information.
user
My pleasure.
assistant