I had an issue with my credit card's fraud detection on the morning of preorder, so even though I eventually got my order in for 9/25 delivery, I made a backup reservation at a store just in case. Now that it looks like my preorder is confirmed, I cannot find any way to cancel my reservation. Even the email says that it cannot be changed or cancelled online. I don't want to delay someone else getting an iPhone because of my backup reservation. Does anyone know if I can cancel the reservation by calling Apple?