Book 20, Number 20.20.70:

Yahya related to me from Malik, from Rabia ibn Abi Abd ar-Rahman, from Sulayman ibn Yasar, that the Messenger of Allah, may Allah bless him and grant him peace, sent Abu Rafi and a man of the Ansar to arrange his marriage to Maymuna bint al-Harith, and the Messenger of Allah, may Allah bless him and grant him peace, was in Madina before he had left for umra.