Hello.
user
Hello, how can I aid you?
assistant
I am planning to change an existing reservation, due to health issue. Can you please help me out?
user
Sure, I am here to help you.
assistant
Thank you.
user
May I know your name?
assistant
My name is Laura Thompson.
user
There is no reservation found under your name.
assistant
That's fine, thank you for your service.
user
Thank you for choosing us.
assistant