Shocking behaviour of consultant on enquiring about wrong address on parcel

I phoned Dawnwing this morning about a parcel to be sent to Port Elizabeth from Clicks online shopping. Yesterday I received a SMS to say that the parcel was out for delivery to the wrong address. This morning I received another SMS, again to the wrong address. When I phoned Dawnwing to enquire about this, the consultant told me in a very rude manner that the SMS's were incorrect and that the parcel has now been given to the "right" courier service. I had changed the address via the link provided in the SMS. When I asked who the right courier would be, he put the phone down in my ear! Unbelievable! Not only was my query not answered without any assurances that the parcel would be delivered, but the unprofessional manner in which he behaved was just astounding. In this economic climate I am sure nobody can afford to lose clients. I phoned back and spoke to another consultant who apologized profusely and helped me to sort things out. Unfortunately one only needs one experience like this to decide never to use Dawnwing again in a personal manner (after all there are many courier companies out there) and point out to Clicks what happened.