The false and lies of KFC Dawn Park branch and it's Regional stores ciach

I had registered a complaint concerning the voucher I had. KFC DAWN Park went there to buy with a voucher but was taken pillar to post. The some guy who said is a Regional coach for kfc where dawn park branch promised to come back to me. It's been 2 weeks the branch or regional office haven't come back to me about my complaint. The attitude of kfc call center, branch staff at dawn park is disgusting to say the least. Then the false promises of the branch manager kfc dawn park as well as the false promises of so called regional coach. Very disgusting and worse than service of washing a dirty ***