Hello, I'm looking for a restaurant that serves North American food. Gourmet burger kitchen serve North American food do you want me to book a table? I also need it in the expensive price range. Yes, the Gourmet Burger Kitchen is rated as expensive. Would you like to book? I need the post code actually. The post code for gourmet burger kitchen is cb21ab. Can I help you with anything else today? Yes I am looking for a train leaving Cambridge, arriving by 12:30 on Wednesday to Bishops Stortford. If you take the TR8224, you'll get to Bishop's Stortford at 12:07. And what's the travel time on that? The travel time on TR8224 is 38 minutes.