Bad service uneducated staff

Bad service I went in mall of Tembisa to get my glasses they said I will receive them in seven day which I didn’t then after 2weeks I called they told me that my medical hasn’t responded to their email I told them to cancel today I went to another opt only to find out they submitted my client a week ago after I told them not to now I’m here stranded they can’t even reverse that they are now telling me I should wait for someone who is off to resolve it