I know the new dialog system is not that good, but you still can roleplay. For example, read this great article from Christopher Livingstone of PC Gamer : http://www.pcgamer.com/playing-fallout-4-with-charisma-luck-and-nothing-else/

PC Gamer also has an amazing series about being a illusionist in skyrim: http://www.pcgamer.com/an-illusionist-in-skyrim-part-1/