Hi,.
Hello, how may I amend you today?
Due to an emergency, I need to change my existing reservation. I am Samantha Thompson.
Sure, we are glad to serve you. Can you please wait for a moment, I will check with your reservation.
Ok.
Thank you for waiting. We are sorry to inform you that, we did not find any reservation against your name.
Thanks.
Thank you for approaching us Have a good day.