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db.collection.aggregate([{$match:{$and:[{movieId:"62af1ff6cb38656a4ffe36aa"},{movieTiming:"1:30 p.m"},{movieDate:"2022-06-20T18:14:38.133+00:00"},]}},{$group:{_id:{movieTiming:"$movieTiming",movieId:"$movieId",movieDate:"$movieDate",},seatSeletion:{$push:"$seatSeletion"}}},{$project:{seatSeletion:{$reduce:{input:"$seatSeletion",initialValue:[],in:{"$concatArrays":["$$value","$$this"]}}},movieTiming:"$_id.movieTiming",movieId:"$_id.movieId",movieDate:"$_id.movieDate",_id:0}}])