Hi.
user
Hello, how can I assist you today?
assistant
My name is Margaret Lee. My scheduled examination dates has been postponed, so I would like to change my reservation.
user
Wait a moment I will check it out whether your reservation existed or not.
assistant
Ok.
user
Sorry, there is no reservation found under your name, I think your reservation is not done properly.
assistant
No problem, thank you for checking.
user
You are welcome. Thank you for reaching us. Have a great day.
assistant