Wrong Tracking number

<p>I bought a dress at Aliexpress Order time & date: 00:36 Jul. 28 2016 Order ID: ********** ********** tracking number RK ********** 00CN to date I have not received my order. I have been sending mails to Michelle shop she's been replying to me saying I must have patience but lately she is no longer returning my mails.</p> <p>When I use their tracking mumber in South African post is not traceable. The post office said I should request the correct tracking number but Michelle is no longer returning my mails.</p> <p>Please assist</p> <p> </p> <p> </p> <p> </p>