Hifi Corp Moffett Retail Park Port Elizabeth bad Customer service

On the 3 of June 2016 i went to Hifi Corp 1a Moffett Retail Park Port Elizabeth to buy myself a 50inch Sansui tv model nr is SLED 50 FHD ********** 50844last nite my tv sound just went dead i got a 2year warranty on it this moring i phoned them and i speak to Andiswa i ask her if she can send me a sms with her email adres so that i can spell it rite it is 20 min later and i still have not heard from her.