HI.
user
Hello, how may I assist you?
assistant
I am Margaret Nelson. Ijust want to change my existing reservation, due to sudden demise of my grand mother.
user
Sure, please wait for a moment.
assistant
Ok.
user
Sorry, there is no reservation found on your name in our database to change.
assistant
That's ok, thank you for your information.
user
You are most welcome.
assistant