It is narrated from Abdullah bin Zubair (may Allah be pleased with them) that the Prophet (ﷺ) said: "Suckling once or twice does not establish prohibition, nor does drinking milk once or twice establish prohibition."
Hadith Referenceمسند الإمام الشافعي / كتاب النكاح / 1182
Hadith Takhrijاخرجه مسلم، الرضاع، باب في المصة والمصتان (1450)۔