Hello, I am Ruth Robinson.
Hello, how may I oblige you for the day?
 I need to cancel my recent reservation due to my scheduled examination dates has been postponed. Can you please help me out?
OK, please wait for a while, I will check the reservation status on your name and get back to you.
Ok.
Sorry we couldn't find any reservation on your name.
Ok, no issue. Thank you.
Thank you for contacting us.