Hello.
Hello, how may I aid you?
My holiday vacation has been  postponed, can you please help me for changing the existing reservation?
Sure, could you please provide your name to check your reservation status?
Sure, my name is Brenda Baker.
Ok, please hold on for a moment.
Sure.
Sorry to say, there is no reservation on your name in my website.
No problem, thank you.
Thank you for reaching us, have a nice day.