iOS: MessageDialog doesn't look native on iOS

import QtQuick 2.3
import QtQuick.Controls 1.2
import QtQuick.Dialogs 1.2

ApplicationWindow {
    visible: true
    width: 640
    height: 480
    title: qsTr("MessageDialog Test")

    MessageDialog {
        id: messageDialog
        title: "May I have your attention please"
        text: "It's so cool that you are using Qt Quick."
        onAccepted: {
            console.log("And of course you could only agree.")
            Qt.quit()
        }
        Component.onCompleted: visible = true
    }
}