Sayyidah Aishah (may Allah be pleased with her) said: I said: "O Messenger of Allah, are women to be consulted regarding (the marriage of) themselves?" He said: "Yes." I said: "But the virgin feels shy." He said: "She is to be consulted; if she remains silent, then her silence is her permission."
Hadith Referenceالسنن الكبرى للبيهقي / كتاب النكاح / 13704