Kamasutra 5.4.66

5.4.66

asaṃkalpitam apy artham utsṛṣṭaṃ doṣakāraṇāt/
punar āvartayaty eva dūtī vacanakauśalāt//

Lastly, a go-between can, by the artfulness of her conversation unite a woman with a man, even though he may not have been thought of by her, or may have been considered beyond his aspirations. She can also bring back a man to a woman, who owing to some cause or other, has separated himself from her.