ran into another dog when out to dinner

When we went out to dinner at sonny’s BBQ, we met another dog, it was a Doberman I was told.  We were at about to go into the restaurant  the other dog  wearing a backpack came out and Franklin g ot excited  and play bowed to the other dog and the dog barked at Franklin. the little boy  with the dog and parents. The little boy around I bet 5 to 7 kind of freaked out and cried abit. the mother hold to pull the dog to the side and hold it there. Franklin started at the dog as we went into the place.