NOT KNOWN FACTS ABOUT ICELANDAIR CHANGE FLIGHT

I just booked a 5 working day, six night stopover on a a single-way ticket. I’m flying from Boston to Bergen, Norway to affix a tour team. I can get off in Reyjavik then go on to Bergen. The tour finishes in Helsinki so I couldnt guide Roundtrip, and I wasnt needed to. This effects of the new business product has a significant negative effect on