Jamieson, Fausset and Brown on 1 Samuel 9:6

6. there is in this city a man of God--Ramah was the usual residence of Samuel, but several circumstances, especially the mention of Rachel's sepulchre, which lay in Saul's way homeward [1Sa 10:2], lead to the conclusion that "this city" was not the Ramah where Samuel dwelt.

peradventure he can show us our way that we should go--It seems strange that a dignified prophet should be consulted in such an affair. But it is probable that at the introduction of the prophetic office, the seers had discovered things lost or stolen, and thus their power for higher revelations was gradually established.