Deleting an existing dispatch
        :param dispatch_id: is the dispatch that the client wants to delete

def delete_dispatch(self, dispatch_id):
        """
        Deleting an existing dispatch
        :param dispatch_id: is the dispatch that the client wants to delete
        """
        self._validate_uuid(dispatch_id)

        url = "/notification/v1/dispatch/{}".format(dispatch_id)
        response = NWS_DAO().deleteURL(url, self._write_headers())

        if response.status != 204:
            raise DataFailureException(url, response.status, response.data)
        return response.status