Can you help me find a train leaving on saturday departing from london kings cross? Certainly! Where are you going? What time of day do you want to leave? I am going to Cambridge and would like to leave after 11:45. The TR5729 fits your needs. Would you like to make a booking? What is the travel time for TR5729? The travel time is 51 minutes. That's great, I also need a hotel with free wifi, I would prefer a 3 star place, please. Did you have a preference for the area? In the centre please. Okay I have one hotel matching those criteria called The Gonville, would you like me to book it for you? Yes. Saturday, 2 nights, 6 people. Reference number please. Your booking was successful and the reference number is 6IX4YPBK . Is there anything else I can help you with?