From Sahih Bukhari (Hadith 5136):
Narrated Abu Huraira:The Prophet (ﷺ) said, "A matron should not be given in marriage except after consulting her; and a virgin should not be given in marriage except after her permission." The people asked, "O Allah's Messenger (ﷺ)! How can we know her permission?" He said, "Her silence (indicates her permission)
Reference: Bukhari 5136