Hi. I am Helen Evans.
Hello. How can I help you?
 I need to cancel my recent reservation due to my scheduled examination dates has been postponed. Can you please help me out?
Sure, I am here to help you. Please stand by I will get back to you.
Ok.
Thank you for waiting. Sorry to say no reservation found on your name.
Ok, no problem. Thank you.
Thank you for reaching us, have a nice day.