do I have to complete another quest to be able to do his?
Are you still looking for him? If you follow the main quests in the Dragonspyre storyline, it will lead you to him. Open your Quest Log file and see if you have any quests for Dragonspyre (except the Stone Roses and the History Books).
In case you need it, this link shows all of the quests for Dragonspyre: (scroll down the page to get to The Forum):