Levitation Platform

The magician stands on top of the step above the levitation platform. The magician now lifts a sheet and then drops it's to the platform floor for a few secs to reveal assistance standing in front of him. The assistance lays down on the step. He/She begins to levitate up to magicians chest. A hoop is passed over the assistance to prove no connections. Now the assistance is lowered back down to the floor. He/She stands in front of magician. The magician lifts the cloth in front of the assistant and instantly drops it to reveal the girl has vanished.....