<ruleset name="Hotwire">
  <target host="hotwire.com" />
  <target host="*.hotwire.com" />

  <rule from="^http://hotwire\.com/"
          to="https://www.hotwire.com/" />
  <rule from="^http://(cruise|extranet|www)\.hotwire\.com/"
          to="https://$1.hotwire.com/" />
</ruleset>