I need to find a train going to londons kings cross that would arrive by 17:15 I have 21 trains that match your request. Where will you be departing from? Leaving Cambridge this coming Sunday. I'm sorry, we don't have any trains arriving by 17:15. The earliest train will arrive at london kings cross at 19:51. Do you need anything else? No thanks. Go ahead and book the train for 4 people and please provide the reference number. Your booking was successful, the total fee is 75.52 GBP payable at the station . Your reference number is : UMS71SR7 . Your train will leave at 19:00. Thank you. I also need to find a place to stay. Any particular area you would like to stay? In the East part of town, please. I need free WiFi. Okay! Would you like to stay in a hotel, or in a guesthouse? i dont mind either. We have seven places, any preference on price or rating? I need a 4 star place that has free wifi. Okay! What price range would you like? I don't really have a preference. Ok. We've narrowed to 6 options. Do you want parking? No parking is not a concern of mine. Would you like to try allenbell? Yes, please book me for 4 people, for 5 night starting on Tuesday. I have made those reservations and the reference number is I4K0OYPF .