Sayyiduna Ibn Abbas (may Allah be pleased with them both) said: Women have no say in concluding the marriage contract. Maymunah (may Allah be pleased with her) entrusted her matter to Umm al-Fadl, Umm al-Fadl entrusted it to Abbas (may Allah be pleased with him), and he married her to the Messenger of Allah (peace and blessings be upon him).
Hadith Referenceالمعجم الكبير للطبراني / باب العين / 10682