Hello, Charles Brown here.
user
Hello, how may I support you today?
assistant
As my family function got postponed I want to change my existing reservation, can you help me with it?
user
Sure, please wait for a while.
assistant
Ok.
user
Thank you for waiting. Sorry to inform you that there is no reservation found on your name.
assistant
Thank you for the service.
user
Thank you for reaching us.
assistant