It is narrated from Abdullah bin Abbas (may Allah be pleased with them) that the Messenger of Allah (peace be upon him) said: "A widow has more right over herself than her guardian, and a virgin should be asked for permission regarding her marriage, and her permission is her silence."
Hadith Referenceمسند الإمام الشافعي / كتاب النكاح / 1147
Hadith Takhrijاخرجه مسلم، النكاح، باب استيذان الشيب في النكاح بالنطق، والبكر بالسكوت (1421)۔