Bad Service - Consumer Complaint for PEP STORES

What to file a complain agenst the the whole peps stores at willow Brook Mall Delmas. They don't help the customers at all even if a disabled person ask them. Tell you strait you can help yourself this is really bad. I walk out off the shop went straight to the shop in the main street in Delmas what a surprise friendly ladies and help me with my shopping at paypoint I was asked to come to the front and was helped at ones that is a well-done to all off the sales staff. Plz look into the matter