Hello. I am Raymond Davis.
user
Hello, how can I assist you today?
assistant
Due to sudden changes, my exams has been postponed. Can you please help me to change my reservation?
user
Sure, please wait for a moment.
assistant
Ok.
user
Sorry to say that, no reservation was found with your good name.
assistant
Ok, not an issue. Thank you.
user
Thank you for opting us.
assistant