SCCM Stand Alone media restarts task sequence after reboot

Hello all. I am trying to create a stand alone usb flash drive that installs our SCCM Windows installation. Everything works properly, except that the task sequence reboots the machine twice during the install and when it reboots it starts the task over again from the flash drive. The only way around it, is to pull the flash drive when it reboots and then put it back in once it reboots. I'm assuming this is happening, because the machine is booting back to the USB drive? Unfortunately, on this machine (a Slate), we cannot set bios to use the hard drive if there is a flash drive installed. Is there a way to make it continue the task sequence after it reboots without trying to restart it while leaving the usb stick (allowing it to be totally unattended)? Otherwise, someone has to time pulling the usb stick each time this tries to reboot, and then stick it back in.