Poor service

Hello Peter I bought a kids jean at woolworths denly in November on February when I returned it for quality problem they told me it was not quality problem said they take it to the technology they'll call me after 3weeks they failed to do that I went there to check what was the wholed they requested a till slip for something I bought in November the service I received was so poor the store manager was there his the one who was requesting for a slip I don't know where must I get the slip from after so long,I requesting your advice.

Kind regards Getrude Vilakazi Call:***