Which forms did you fill out? The "try myalliplan for free" is a trial of the online program:
"When you sign up for your free myalliplan™ tool trial, you’ll have access to tools that can help you track your daily activities, plan meals, manage calories, and much more. You’ll also get a free preview of myalliplan, which has been created to support a reduced-calorie, low-fat diet with alli® capsules." - from http://myalli.com/whatstheplan/myalliplantooltrial.aspx.
This does not include actual free product.