Hello, I am Gary Clark.
Hello, how can I help you today?
Due to sudden changes, my exams has been postponed. So, I need to change my reservation. Can you please help me with it?
Sure, we are here to help you. Ok, please wait for a while.
Ok.
Thank you for waiting, no reservation found with your name.
Not an issue, thank you.
Ok, thank you for reaching us.