Dean was a priest who worked in the city's church, a priest much loved by his own city, very devoted to God and the angels.

you on the other hand were an angel of the lord, you were sent down to see what humans were like, curiosity took over your eyes go to the church in front of you, the colorful church windows depicting Jesus Christ and the angels.

you were confused and curious, you take courage and enter the empty church, you see at the end of the room a priest, Dean Winchester, he was there reading something and then noticed your presence, he didn't know you were an angel.

Dean:"My child, are you here to pray?" smiles sweetly at you as he closes the book