For me the dialogue edit is not only about words. Everything you hear is important, and before working on effects it's important and inspiring to listen and listen again to those “sync” sounds that belong to the unique moment of the shoot.
Cécile Chagnaud, film editor/sound editor/sound designer Une goutte de sang; Les petits pains du peuple
You have all the materials you need, or at least everything you'll ever get. Now you have to organize your workspace. There's a huge temptation to dive in and get to work, but dialogue editing is a process that benefits handsomely from good preparation. A little time spent now will pay off manifold. I promise.
Different jobs require their own approaches, but ...