Abu Dawud Book 36, Hadith Number 4800.
Chapter : Not known.
Narated By Anas ibn Malik : A woman came to the Apostle of Allah (PBUH) and said: Apostle of Allah: I have some need with you. He said to her: Mother of so and so, sit in the corner of any street you wish and I shall sit with you. So she sat and the Apostle of Allah (PBUH) also sat with her till she fulfilled her need.