Hadith #446 (Sahih al-Bukhari)
Book: Prayers (Salat)
Narrator(s): Hassan ibn Thabit
Grade: Sahih

I asked Abu Huraira “By Allah! Tell me the truth whether you heard the Prophet (ﷺ) saying, ‘O Hassan! Reply on behalf of Allah’s Messenger (ﷺ). O Allah! Help him with the Holy Spirit.” Abu Huraira said, “Yes . “

Source: https://parallelquran.com/hadith/sahih-al-bukhari-446/