bad service

On the 3rd ofApril I bought some clothes at Identity Mtuba Mall then the shirt did not fit my daughter then the 4th of April I went to Identity Richards Bay to exchange the shirt the price tag was in the plastic whoch I think my daughter removed it by the time she was fitting then the lady who was helping me said they cant exchange because the tag is not attached on the garment then I told him that I think it was removed by mistake because its still in the plastic not that I lost it then the lady said I will exchange it for you but its gonna br the last time.I was so hurt at her response as if there was the first time I came with the exchange like this I even left the other clothes I wanted to buy and she said its fine you can leave this clothes and she thank me.