the person that you sent money to needs to check his bank balance with matching trade id and then manually confirm from his end. then they BTC will be unlocked and sent to you.
edit: feature request. would it be possible to average every users response time when the ball is in their court so to speak and displayable to potential takers. This way potential trading peer can be known if quick or slow. but this can depends on multiple factors, but could be used as a general guide.