Hello, I am Gary Nelson.
user
Hello Gary. How can I help you?
assistant
Unfortunately my exams was postponed so I want to change my reservation, can you please help me to change my reservation?
user
Sure, give me a minute.
assistant
Ok.
user
Sorry Gary, there is no reservation found on your name.
assistant
Ok, no problem. Thanks for your response.
user
You are welcome.
assistant