SimpleXMLElement Object
(
    [AvailabilityCalendar] => SimpleXMLElement Object
        (
        )

    [ResponseType] => SimpleXMLElement Object
        (
            [Errors] => SimpleXMLElement Object
                (
                    [Error] => Illegal date definition - Start:0000-00-00 / End:0000-00-00.
                )

        )

)