my pure saluki bitch did the exact same.would put the brakes on a few hundred yards before it came to the van,No way on earth would it come to me,I made threaths under my breath as to what I would do to her,It lasted 3-4 months.Somehow I just let it relax and after she reached 12 months she was spot on.My advice is to just wear the frustration with a smile,and she will just be spot on after she matures.I dont kinda go with the back to basic stuff with a saluki type breed,I left mine be themselves and spent a lot of time one to one with them,and thet are the grandest dogs now.Deep breaths and