Hello, I am Shirley Martin.
user
Hello, how may I address you?
assistant
As I want to spend some more time with my family I want to change my existing reservation, so can you help me with it please?
user
Sure, please wait for a minute I will revert you with current status.
assistant
Sure.
user
Unfortunately there is no reservation found with your name.
assistant
That's fine, thank you for the response.
user
Thank you for availing us.
assistant