That's weird. Loading your savegame gets me here. Click on the bed icon on the bottom right to proceed. Is the icon not showing up on your side?
Latest Beta build for Act III is here:
https://mega.nz/#!OupwRKwb!PD7yVx2GIUdThufWfF3tzj4youu_BT9PZsLL8BLdQuw
If that's not working, could you get me the savegame folder, and I'll see what's happening.
Also: I played your savegame, and progressed to the next dialog: could you see if that works?
https://mega.nz/#!n6xDVZpK!nF0eiMN2sMqbc_e9isFh5NWtI7Ti4HOZx5Gdiadg3zU