Footgear ATROCIOUS CUSTOMER SERVICE & They don't even trust their Value Centre Store Manager!

This outlet is only about money not the customer experience.  I purchased 2 pairs of shoes from their Value Centre  yesterday, 1 May at 14;02.  Today I dlecided to return the 1 pair which was cheap and not comfortable.  I returned to the store today, Saturday morning and discovered that I had dropped the sales receipt somewhere in the  centre on my walk to the store.  Nevertheless, the manager and the sales assistant who served me yesterday were present.  I explained my lost receipt and the Manager said he understands my situation but it was busy and he could look through the 1000s of sales made yesterday.  There were at least 7 salespeople on the floor and 3 not busy.  Modern systems locate sales instantly when all the information is readily available. The manager said that I should instead return around 4 on and he will assist me.  I returned around 4 pm and he checked my credit card notice of payment to narrow down his search time.  He then makes a call to his regional manager who said that I had to have my slip if I wanted a refund.  This is despite the transaction having been located and verified by the Manager of the store.  They could only offer me an exchange but no refund.  As the Manager now says that the Regional Manager has no proof that I purchased the shoe, despite my credit card transaction and the store manager having sold me the shoes yesterday. What the hell? Footgear wake up!  In these modern times you don't trust your systems.  You wasted my time and lost a customer.  Show an iota of service excellence and contact me to make things right! I brought the shoe back less than 24 hours later.