Hello.
user
Hello, how may I help you today?
assistant
I want to change my existing reservation, due to some health issue. Can you help me?
user
Sure, I am glad to help you. May I know your good name to proceed further?
assistant
Thank you. Yes, I am Patricia Lee.
user
There is no reservation found on your name in our database.
assistant
Ok, not an problem. Thank you for your information.
user
Thank you.
assistant