It is narrated from Hazrat Umm Kulthum (may Allah be pleased with her) that the Prophet (peace and blessings be upon him) permitted lying in three situations: in war, in reconciling between people, and for a husband and wife to please each other.
Hadith Referenceمسند احمد / من مسند القبائل / 27278
Hadith Gradingحکم دارالسلام:إسناده ضعيف لعنعنة ابن جريج، وهو مدلس