If the allegations of a petition under this article are not established, the court shall dismiss the petition. The court may in its discretion dismiss a petition under this article, in the interests of justice where attempts have been made to adjust the case as provided for in sections seven hundred thirty-five and seven hundred forty-two of this article and the probation service has exhausted its efforts to successfully adjust such case as a result of the petition's failure to provide reasonable assistance to the probation service.
N.Y. Family Court Law § 751