Refund with bad service

Went to Woolworths Thabong on Sunday way an experience I’ve got from 3consultants one happen to be a store Manager.I bought a dress and wore the dress the material was not k explained to the cashier and they were both there instead of helping she took the dress to the back for 15 minutes nd dnt Knw to do what and stood there patiently and as I recover when a customer is returning something with a till slip you should assist instead she went to the back then returned with the so called manager Sinnah after that 15 minutes to explain and I asked her it’s the third tym I’ve been asked the same thing about it and I told her that what impression is it given to me when the cashier goes to the back with the instead talking in front of the manger and the funny part is they asking me am I returning that as Quality Return I was surprised to get such an experience and so humiliated and was I wrong to return something at Woolies nd y are they implementing procedures that cannot assist customers I felt so stupid nd was the first tym something like this happen to what a bad service I got from Woolies Sebokeng nd please can they take their consultants to customer service training