Matsyapurana 61.28

61.28

gacchantī cāmbaraṃ tadvat stokamindīvarekṣaṇā
varuṇena dhṛtā paścād varuṇaṃ nābhyanandata //

Afterwards, the lotus-eyed Urvaśî, while moving in the sky slowly, was caught by Varuṇa, who slowly pulled her by her cloth, at which she told Him : “Your action is not proper. Because I have accepted Mitra first, and consequently I cannot be your wife, O Varuṇa.” Varuṇa told her, “Keep me at least in your favor and then go elsewhere.”—28-29.