Ackermans no helpful when looking for specific item!

I am looking for a specific shirt (SKU ********** ) as my son is required to wear it for a wedding. I looked in my local Ackermans who didn't have the size I needed (12 - 14). I then asked them if there is a way to check at other branches, after standing waiting for 15 minutes while the staff all talked among themselves, I then was told the second closest branch to me didn't have it either. I then said to give me the garment details and I will check with head office. I then called the head office spoke to Lukana (Ref 10317) and said I needed to find this item urgently and he said he will send an email out and it would take 48 hours to get an answer. I said I needed the item urgently is there no faster way to do this, he said you may get an answer in an hour or a few days. I then left all the details and he said they would come back to me. They haven't!! I also emailed ********** as they said I should and again also no response. Why when a customer is looking to actually buy something do you not respond or assist? Seems so wrong!