Hi. I am Helen Evans.
user
Hello. How can I help you?
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, I am here to help you. Please stand by I will get back to you.
assistant
Ok.
user
Thank you for waiting. Sorry to say no reservation found on your name.
assistant
Ok, no problem. Thank you.
user
Thank you for reaching us, have a nice day.
assistant