Hello.
user
Hello, how may I assist you today?
assistant
I want to change my existing reservation, due to some health issue. Can you please help me out?
user
Sure, may I know your name for the changing process?
assistant
My name is Katherine Scott.
user
Thank yoiu, please wait for a moment. Sorry, we couldn't find a reservation on your name to change.
assistant
That's ok, thank you for checking.
user
Welcome, thank you for reaching us.
assistant