AN UNBIASED VIEW OF ICELANDAIR TICKET CHANGE

I just booked a five working day, six night time stopover over a a single-way ticket. I’m traveling from Boston to Bergen, Norway to hitch a tour group. I will get off in Reyjavik and after that go on to Bergen. The tour ends in Helsinki so I couldnt guide Roundtrip, And that i wasnt necessary to. Southwest airlines cancellation policy is especi