Hello.
Hello, how may I assist you?
I want to change my existing reservation due to bad health issues, Can you help me out?
Sure, I am here to help you with that, can I know your good name to proceed further?
I am Joshua Phillips.
Thank you very much. Please wait for a while, let me check your reservation status in our database.
Sure.
 I am very sorry to inform you that there is no reservation found under your name in our database.
Ok, no problem. Thank you.
Thank you very much for approaching our agency.