Hello.
user
Hello. How may I help you?
assistant
Actually  my Examination is postponed, so that I want to cancel my recent reservation. Can you help me?
user
Sure, I will help you. May I know your name please?
assistant
Thank you. Sure, I am Jonathan Moore.
user
Moore, no reservation has been found on your name.
assistant
Ok, no problem. Thank you for your information.
user
Thank you for choosing us.
assistant