Hello.
Hello, how may I help you?
I want to change my existing reservation, due to some health issue. Can you help me?
Sure, I am willing to help you for this. May I know your name please?
Thank you. I am Michelle Smith.
Just a moment, let me check your reservation status in our records.
Sure, take your time.
Sorry for inform you, no reservation is found under your name to change.
That's fine, no problem. Thank you for your help.
Thank you very much for approaching our agency.