fast and the Furious changed to Slow and useless

Avon order placed 21/05/2015 should have been delivered buy 28/05/2015 and received a message from fast n furious to say loaded with driver and expect delivery withing 48hrs. which has passed and no delivery made. invoice number ***2. new order placed 25/05/2015 and delivered 28/05/2015. does this make sense where is the first order? I called them 27/05/2015 regarding inv ***2 and consultant said it would definitely be delivered 28/05/2015. called and spoke to Thando who just dropped the phone on me when I requested her to call the courier to find out where he is. then I called back and spoke to Zandi (team leader) who said she would try to call courier and call me back, which was also not done. I then called again and the consultant said that Zandi was now in an apparent meeting all of a sudden. when the consultant checked the system , Zandi did call the courier but his phone was off and did not have the decency to call me back and advise. when couriers phones are off, there is definitely something fishy. please find out if courier was actually working and not working half day. I work with client and know how to give good customer service. this is terrible