Parent conferences go best with a Melitta pour-through using a mild coffee, like Gevalia or Starbucks.
Once that is done my best advice is to try and get them to talk. You learn more about the child that way. Tell about progress and show some sample work. Most of all listen. (It’s harder for some than others) I wrote a short article on it if interested: Listening at Parent Conferences http://www.dynamitelessonplan.com/parent-conferences-tip-listen-to-parents-about-their-child/