Hello.
Hello.
I am Brenda Johnson here.
How can I assist you for the day?
I want to change my existing reservation, due to some health issue. Can you help me?
Sure, I will help you with that clanging. Please hod for a moment, let me check  your previous reservation status.
Sure.
Sorry to say, there is no active reservation found with your name to change it.
Ok, not a problem. Thank you for your information.
Thank you for contacting us, have a great day.