Jedi and these Bene Gesserit seemed fairly close, at least in this cursory explanation. Luke got the definite sense that she wasn't telling him everything, but he could not be secretive; that had been the big fault of the old Order, and here among people he would have to work with, Luke thought it best to be as transparent as possible, should she ask questions.

"Home is with the Jedi Order, on Coruscant."