Hi. I am William Miller.
Hello, How can I serve you?
My friend marriage was post postponed so I need to change my reservation, can you please help me to change my existing reservation?
Sure, I will help you with that. Please wait a while.
Ok.
Thank you for waiting. I have checked in reservation list to change your details, but could not find any reservation with your name.
Ok, not an issue. Thank you for your quick response.
Thank you for choosing us, Have a great day.