Hi.
user
Hello, how can I serve you today?
assistant
I am Karen Johnson and I just want to change an existing reservation due to sudden demise of my great grand mother, can you help me with this?
user
Sure, please wait a moment.
assistant
Sure.
user
Thank you for waiting. Unfortunately there is no reservation found with your name.
assistant
That's ok, thanks for your information.
user
Thank you for consulting us.
assistant