Pre marriage expenses claiming

Hello frnds,I need an letter format for claiming our expenditures incurred during marriage that was to be held in December 2015 , as the guy called off the marriage stating he is no more interested to marry my sister. And I being a sister of the bride, have already booked in advance for the wedding. The guy did not even spent a penny from his side ..n we spent around 6lacs approx .. kindly advice n suggest ..what can be done.