Bad service from manager and employee at Wynberg Pnp

Im Furious for the way Pnp Wynberg manager who was on duty today and the staff I called more than once the last time I called the employee told me The manager is coming and drops the call because the manager will call me back and guess what no return call and when I called back again no answer what **** service is this what ethics and customer service is this im calling and wasting my airtime and this is the **** service I get