Hi.
user
Hello, how can I help you today?
assistant
 I need to cancel my recent reservation due to my scheduled examination dates has been postponed. Can you please help me out?
user
Sure, may I know your name please?
assistant
I am Deborah Clark.
user
Sorry, there was no reservation found with your name.
assistant
Ok, no problem. Thank you.
user
Thank you for opting us.
assistant