Hi.
user
Hello, how can I serve you?
assistant
Due to the sudden illness of my mother, I just want to cancel my reservation. Can you help me with that?
user
Sure, may I know your good name?
assistant
Sure, I had a reservation with name  Gary Lewis.
user
Ok, please wait for a while.
assistant
Sure.
user
Thanks for waiting, no reservation was found with your name.
assistant
Ok, no worries at all.
user
Thanks for reaching us.
assistant
I appreciate your quality customer service.
user