Hello.
user
Hello, how may I assist you today?
assistant
I am planning to change an existing reservation, due to health issue. Can you please help me out?
user
Sure, may I know your name for the changing process?
assistant
My name is Williams Brown.
user
Sorry, as per your concern I can not amend your reservation, as your reservation is not found as per our records.
assistant
That's fine, thank you for your service.
user
Welcome, Thank you for reaching us.
assistant