Wedding, generally applicable to the relevant provisions of the contract law, its behavior belongs to the contract behavior in civil law. If it does not meet the relevant agreement, you can claim compensation for breach of contract. If there is an agreed penalty, you can ask for payment of the penalty. Of course, if the breach of contract causes you losses, you should compensate for the losses. At the same time, if the information is meaningful to life and is damaged due to the reasons of the wedding company, you can also claim compensation for mental damage.