Terrible service

On the 1st December 2019, we purchased a full meal from Kayalami Barcelos. when we got home, we open the meal only to realize that 3/4 chicken was given to us instead of a full chicken. on request my husband asked for the chicken to be cut into 4 quarters and one quarter to be flavored differently. when we opened the box, the one quarter was as per request, the rest off the chicken was cut into 8 pieces hence trying to confuse us. as plating the quarters we then knew that the one quarter was missing. i called the store and spoke to the store manager Clifford, whom then made false promises on replacing trying to rectify the problem. i had to to continuously call to follow up whats going on, he promises to callback but never does. i called on Wednesday 04-12-2019, and whilst on the line asking to speak to the store manager, in the back ground i heard him clearly asking who is it, and say that he is busy. still waiting for a callback in 5 minutes. now past half an hour. is this what we pay for, who benefits the quarter i paid for. is it the staff or store manager. is this how customers are treated .