Hi.
user
Hello, how may I aid you?
assistant
I want to change my reservation due to health problem, can you help me?
user
I am here to help you out. Please provide me your name to check you previous reservation details.
assistant
Myself Anthony Johnson.
user
Sorry, there is no active reservation on your name in our database.
assistant
No problem, thanks for checking.
user
Thank you for reaching us.
assistant