Poor customer service

Makham electronic vouchers are 7 x bad as you can think i went to store for exchange they suggested to buy a voucher since I was going to buy with it was waiting for pin on my phone for 3 hours up until I left the store with out it their friendly workers in store tried many time but Makham consultants they were assisting with voucher were so ******** as if the hole day I have to deal with them. Up to now atis not sorted ill visit the store after 16:00 when I knock off the service is tomorrow much poor.