Hello.
Hello, how may I help you?
I want to change my existing reservation, due to some health issue. Can you please help me out?
Sure, I am here to assist you. May I know your name?
My name is Lisa Smith.
Thank you. Please stay online for a while.
Sure, I will wait for your response.
Sorry, there is no reservation found under your name in our database.
That's ok, no problem. Anyway thank you for checking.
You are most welcome.