如何使用Android Holo主题样式对话框按钮?

I'm creating a Dialog Box on Holo Theme and want to follow the OS default way of displaying the buttons. So far I have created the dialog box but the buttons don't render in the way it does in the apps done in Holo for ICS. How can I do this? My intended look & feel is and I am able to reach till here I'm creating a Dialog Box on Holo Theme and wan