Someone who played the demo posted a report here:
http://everythingdra...rience-gamescom
Regarding dialogue options:
One very important thing I want to point out is that during the conversation with the dwarven female in the very beginning, I got to choose freely what to answer – of course – and I can confirm that, like in DA2, there seems to be always one diplomatic/kind response, one direct/aggressive response and YES the middle option is still a sarcastic option! During the demo I played the little pictures implicating your response were missing, but I saw them during other gameplay shown earlier, so I’m pretty sure they’ll be there in the end. Well, since during some presentations of the game they were talking about “clever” responses, I was unsure as to how sarcastic “clever” was going to be… I am relieved to tell you it is just as awesome and snarky as our beloved purple Hawke in DA2 was and seems to be a constant option. Other than that it seems like you don’t get locked into most conversations anymore but can exit them at any given time and even move the camera around, similar to how it is in Skyrim.
Now I'm off to re-watch and listen to Ali Hillis...