Dissaponted and angry

Bought the dress which came then thy r so urgly and big so I send them email informing them to return then thy advise me to buy return and exchange label which I did with my own money till 2dy am still waiting for courie to came and collect this return but nothing when I call them thy say thy will call the courie but dnt come bck to me 2dy I call them the lady was like I cnt hear u then drop my call I call again same thing I send number of emails still nothing,