Hi.
Hello, we are glad to serve you.
Due to sudden change in weather conditions, I need to change my existing reservation.
Sure, can I have your name to proceed further?
My name is Kevin Mitchell.
ok, please wait for a while, let me check with reservation and let you know. Thanks for waiting, sorry, unfortunately no reservation found with provided name.
Ok, Thanks for your information.
Pleasure to serve you, thanks for your interest.