No, actual romance dialogue (as opposed to flirts) have multiple routes you can take through them, but there is no random element. The example you gave is an original game dialogue, anyway. We don't touch those except under very rare conditions:
- Bishop shows up during the vigil instead of Shandra.
- You can arrange for Casavir to provide a character reference, should you ever reach a point in the game where such a thing would come in handy.
- Rejecting one lover makes another appear.
- The endgame can play out slightly differently, depending on how Bishop feels about you.
Oh, and yes, the answers to the flirts change between acts, too.
Edited by berelinde, 23 September 2011 - 10:13 AM.