Hello.
Hello, how may I guide you?
Due to health issue, I want to change my reservation. Can you help me?
Sure, I am willing to help you for this. Could you share me your name?
My name is Samantha Hernandez.
Please wait for a moment, let me check your reservation status.
Ok.
Sorry to inform you, no reservation is found with your credentials.
No issue, Thanks for the information.
You are most welcome.