Hello.
Hello. How may I assist you today?
I am Roberts Wright. I want to change my existing reservation, due to heavy rainfall in New York.
Sure, I can help you with that. There is no previous reservation available on your name  Roberts Wright.
That's ok, thank you for your information.
Do you want to know any thing else from us?
No, thank you for your favour.
Thank you for reaching us, have a nice day.