Sayyiduna Abdullah bin Abi al-Hamsa (may Allah be pleased with him) said: I made a transaction with the Prophet (peace and blessings be upon him), and something of his remained owed by me, so I promised that he (peace and blessings be upon him) should stay at that place and I would come right back (with it). He said: I forgot for two days in a row and came on the third day. He (peace and blessings be upon him) was present at that place, and he (peace and blessings be upon him) said: "O young man! You have put me to hardship; I have been waiting for you for three days."
Hadith Referenceالسنن الكبرى للبيهقي / كتاب الشهادات / 20835