Hi, I am Robert Gonzalez.
Hello, how may I support you?
As my plan to attend a exam so I made a reservation earlier this week but due to technical issues i need to cancel it. Can you help me with this?
Sure, let me check the reservation list and get back to you.
Ok.
We could not find any reservation  by your name.
Ok, not an issue. Thanks for your information.
Thank you for choosing us.