The Messenger of Allah ﷺ said, "A town-dweller must not sell on behalf of a desert-dweller."
حدثنا أبو بكر بن أبي شيبة حدثنا سفيان بن عيينة عن الزهري عن سعيد بن المسيب
أن رسول الله ﷺ قال لا يبيع حاضر لباد
No references are available.
See the previous hadith. Muslim also narrated it in the Book of Business Transactions, Chapter on the Prohibition of a City Dweller Selling for a Bedouin, no. 1520, from Abu Bakr bin Abu Shayba, with the same wording.