You can use the function wp_insert_post for this http://codex.wordpress.org/Function_Reference/wp_insert_post
$my_post = array(
'post_title' => $title,
'post_content' => $content,
'post_status' => 'draft',
'post_type' => 'page',
'post_author' => $author
);
wp_insert_post( $my_post );
then you can use wp_mail(); to notify someone. http://codex.wordpress.org/Function_Reference/wp_mail