Create rewrite rule for subpage

I want to add a dynamic page for every page that has URL subpage of “/team”.

How would I configure “add_rewrite_rule” regex expression to allow me that?

Example:

path: http://page.com/business/team
rewrite: http://page.com/index.php?department-team=business

path: http://page.com/hr/team
rewrite: http://page.com/index.php?department-team=hr

Code I’m working with:

add_action('query_vars', 'department_team_add_query_vars');
add_action('init', 'department_team_add_rewrite_rules');
add_filter('template_include', 'department_team_template_include');


function department_team_add_query_vars($vars)
{
    $vars[] = 'department-team';

    return $vars;
}

function department_team_add_rewrite_rules()
{
    // do I need this?
    //add_rewrite_tag('%department-team%', '([^&]+)');

    // rewrite url to
    add_rewrite_rule(
        '/([^/]*)/team',
        'index.php?department-team=$matches[1]',
        'top'
    );
}

function department_team_template_include($template)
{
    global $wp_query;
    $new_template = '';

    var_dump(array_key_exists('department-team', $wp_query->query_vars));
    var_dump($wp_query->query_vars);

    if (array_key_exists('department-team', $wp_query->query_vars)) {
        switch ($wp_query->query_vars['department-team']) {
            case 'team':
                $new_template = locate_template(['department_team.php']);

                break;
        }

        if ($new_template != '') {
            var_dump('aaa');
            die();

            return $new_template;
        }
        else {
            $wp_query->set_404();

            status_header(404);

            return get_404_template();
        }
    }

    return $template;
}