Hello, I am Sharon Green.
Hello, How could I be your helping hand today?
I want to change my existing reservation, due to vacation, can you help me with it.
Sure, I am Mirthful to help you.
OK.
Please give me sometime, I will check with your existing reservation.
Sure.
Thank you for waiting, There is no existing reservation found on your name.
OK, no problem.
Thank you for approaching us to change your existing reservation.