User blog comment:Dragonvale16/Guardian Cross Trades/@comment-49.50.204.92-20121010223114

Someone help me, i started 2days ago. to check how trading system work, i just found random person and sent 1star card as trade. But he doesnt respond. and if i try trade with other people, it keep saying i am already trading with other person. How can i cancel my offer? Plz help