Now Samuel did not yet know the Lord, neither was the word of the Lord yet revealed unto him.- 1 Sam 3:7
And the Lord appeared again in Shiloh: for the Lord revealed himself to Samuel in Shiloh by the word of the Lord. 1 Sam 3:21
Dont worry if you dont know now, as it was with Sam, he had no experiential knowledge of God. But later he turned into a great prophet.
Dont stress, it will be revealed to you soon.