Jordan Ayew 's 13th - minute opener put Villa on the right track at Kenilworth Road .
Luton were level by half - time as Jake Gray fired home a stunning strike in the 35th minute .
Jordan Ayew 's 13th - minute opener put Villa on the right track at Kenilworth Road but Luton were level by half - time as Jake Gray fired home a stunning strike in the 35th minute .