Hello.
user
Hello. How can I help you?
assistant
I am Elizabeth White. I want to do some modifications in my previous reservation, due to some health issue. Can you please help me?
user
Sure, I will help you to do some changes in my existing reservation.
assistant
Thank you.
user
Sorry, there is no reservation found on your name to change.
assistant
That's ok, thank you for checking.
user
Welcome, have a nice day.
assistant