Christmas Parcel Still not received

I ordered an item from Groupon on the 12th of December 2015. On the 18th I received a SMS stating that my order is on the way. On the 20th I received another SMS stating that the order has been delivered. I checked on the tracking website of DawnWing, there it stated that the package was delivered and a person other than myself signed for it. <br> <br> I have phone DawnWing numerous times, emails etc - Still with no response. Every time they promise me that they will send the driver to collect the package and return it to me. Now in February we still have not received the order from December.