WAITING FOR MY VOUCHER

i recently played a lays competion on the 13 march 2019 and won a dining voucher ans was told i will receive my voucher to reddem it, 5 days later on the 19 march 2019, i sent an emai, till this day there was no response.... today 09 may, i called the to enquire, the consultant told i will receive my voucher, immediately after the call. i made the call the 13:00 its now 16:00 and still nothing... im a huge fan for lays but this is daylight roberry, i won that voucher so surely i deserve it