You can access all three prototypes here
ASSISTANT
https://www.figma.com/file/Fik9seAhpJqKqSMgPJeyRsLJ/ASSISTANT?node-id=0%3A1
VISITOR
https://www.figma.com/file/bxH6qKPRFJzBbnoJmYjSM7sa/VISITOR?node-id=0%3A1
https://www.figma.com/file/bxH6qKPRFJzBbnoJmYjSM7sa/VISITOR?node-id=0%3A1
SENIOR
https://www.figma.com/file/Iy6AlYvotlQZVnbQVHYgWWOa/SENIOR?node-id=0%3A1
https://www.figma.com/file/Iy6AlYvotlQZVnbQVHYgWWOa/SENIOR?node-id=0%3A1