Hello.
Hello, may I know your name?
My name is Larry Gonzalez.
Ok Larry, how can I help you?
Due to sudden change in my plan I need your help in changing my existing reservation.
Sure, I can help you in changing. Please wait a moment to check it.
Ok.
Sorry Larry, we could not found any reservation based on your details.
It's Ok. Thank you for your service.
Thank you for reaching us.