Hi.
user
Hello. How can I help you?
assistant
I just want to change my existing reservation, due to sudden demise of my grand mother. Can you help me out?
user
Ok, may I know your name?
assistant
My name is Virginia Young.
user
 Ok, please wait I will revert you.
assistant
Ok.
user
 Sorry, no reservation was found on your name.
assistant
No issues, thank you.
user
 Thank you for availing us.
assistant