1 Samuel 3:6-8

New International Version - UK

⁶ Again the Lord called, ‘Samuel!’ And Samuel got up and went to Eli and said, ‘Here I am; you called me.’

‘My son,’ Eli said, ‘I did not call; go back and lie down.’

⁷ Now Samuel did not yet know the Lord: the word of the Lord had not yet been revealed to him.

⁸ A third time the Lord called, ‘Samuel!’ And Samuel got up and went to Eli and said, ‘Here I am; you called me.’

Then Eli realised that the Lord was calling the boy.