Harry Potter star Matthew Lewis, who played Neville Longbottom in the wizarding series, has slammed a Canadian airline after they "tore up his first class ticket".The 33 year old actor took to Twitter to vent his frustrations about Air Canada after he claimed that they "kicked him out" of first class "to the back of the plane", in what he says was "less than two minutes to boarding and without explanation or apology". In his first tweet, Matthew wrote: “Confirmed. Air Canada is the worst airline in North America.