Anas bin Malik (RA) narrated that the Messenger of Allah (ﷺ) said: "Whoever asks Allah (s.w.t) Paradise three times, Paradise says: 'O Allah, admit him into Paradise', and whoever seeks refuge from the Fire three times, the Fire says: 'O Allah, save him from the Fire.'

Reference: Sahih (Albani). Tirmidhi: 2572