Squares and Greasers!

Karyn and Jon decided on the 1950's, and entered the machine. Jon could feel his mind be picked from his body, and he was sure Karyn could as well. He could feel falling, so much falling. Just when he started to worry that something had gone wrong, he could feel he was in a body again. He looked around, and saw he was in some sort of cafe. It was filled with retro technology, like a radio and a jukebox. There were a selection of people around, all either dancing, talking or eating. "Hey Sam, you joining in?" Jon heard a voice from the dance floor, and saw that someone was talking to him! But who was he? Jon looked down at himself, and saw that he was wearing a...