Correct! It should bring you to the AE travel booking page. You should notice that you're logged in to AE Travel:


Enter the flight details as normal, then you should see the fixed point price appear in the search results like so:


IMHO the price here aren't always so hot (likely because the fare portion is already so low). Once you select the flights, you should have the option to use fixed flight travel programme as way to pay.

Hope that helps!

Safe Travels,

James