Oracle Forms - fnd_message.question with Only Yes and No

Hi Friends,

 

    I need to pop up a message with only two options Yes and No .

I tried to use fnd_message.question as below. This is working only if we pass Yes , No and Cancel. Actually this option clearly not satisfying my requirement because if the user closes the pop up, we are getting some issues,

But fnd_message.question is working fine for three option Yes , No and Cancel. But I need to use only Yes and No. Kindly help if there is any function or option to use . Kindly help.

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n_button_selection := fnd_message.question

                             (NULL,