that its consent to personal jurisdic- tion in one case does not open the door to personal jurisdiction in future cases. See Klinghoffer v. S.N.C. Achille Laura, 937 F2d 44, 50 n. 5 (2d Cir.1991); Andros Compania Maritima, S.A. v. Intertanker 819 Ltd., 714 F.Supp. 669, 675 (S.D.N.Y.1989) (holding lawsuit