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. May I know your name?
assistant
Thank you. My name is Joshua Hill.
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