Worst service ever

Worst service ever. I am awaiting my order for two days. Phoned them they told me it will be delivered to me before 19:00. So I received an sms at 20:16 that the driver is on his way. 20:19 I receive an sms that he was at my address but I was not available. I tried phoning the driver Mzomhle, he did not answer twice so I left an voicemail. I tried phoning him a third time, he picked up but did not speak sounded like he was bathing. at 20:21 I receive an sms that my delivery has been returned to sender and Lulama signed it off. Now I cant even reach them on *** even though they open at 8:00. And on their site my waybill number cant be found. I would like to lay a formal complaint this is absolutely the worst service I have ever received from a courier service.