He came in to visit Amr bin As, who invited him to lunch. He said, "I am fasting." A second time the same thing happened, and then a third time the same.Amr bin As said, "No, unless you heard it from the Messenger of Allah ﷺ."He replied, "I did hear it from the Messenger of Allah ﷺ."
حدثنا روح حدثنا ابن جريج أخبرني سعيد بن كثير أن جعفر بن المطلب أخبره أن
دخل على عمرو بن العاص فدعاه إلى الغداء فقال إني صائم ثم الثانية كذلك ثم الثالثة كذلك فقال لا إلا أن تكون سمعته من رسول الله ﷺ فقال إني سمعته من رسول الله ﷺ
No references are available.
Its isnad is hasan. Saeed bin Katheer is the son of Muttalib bin Abu Wada, and he narrates from his uncle Jafar bin Muttalib. Both are acceptable narrators, and the hadith is like the one before it.