Yikes - okay, so much for my hope that the ork lady was not with the House of Flowers...
@Jack - slick move indeed. Love it so much.
As for Spike, tempting as it would be to play him smarter, he's, well, a dog.
He knows a lot of commands, though none in English.
But no problem with your move.
Basically, now that he's done what he's been told and found Natasha, he won't do anything unless someone attacks him or attacks anyone he knows is a friend (Isaint, Natasha, Frenchman).
He'll basically just stick real close to Isaint and provide close-quarters security.