A manager takes you to the back office and asks questions regarding your previous experiences, why you're interested in the role, what hours you can work. It's quite obvious that they have low expectations as none of these processes relate to past retail experience.

They will contact you by phone call. The interview process happens during the phone call. They ask pretty easy and general questions about how well you can manage problems. If they are satisfied with your answers, they will ask you about your availability.