You aren't at Heavensward content yet. If you are just past Levi you are at patch 2.3 and that means you have to finish that and two more ARR patches before you unlock Heavensward - ARR ends with 2.55.

Here's a list of all Main Story Quests: Questlist

If you don't want to look at that list cause of spoilers: Once you enter the 4th City you are at Heavensward content.