I'm looking for a train to cambridge on Saturday. Where would you be departing from? I will be departing from Ely. Could you leave on Friday? There are no trains available on Saturday from Ely to Cambridge. Sorry, I misspoke. I am actually departing from Broxbourne. There are about 19 trains available. I can narrow that down some if you tell me if you want to leave or arrive by a certain time. I would like to arrive by 15:30. There are 9 trains that meet your criteria that day, one leaving every hour from 05:32. Do you have a departure time preference? No, we just want to get there either at or right before 15:30, please. Can you get me 8 tickets on the closest train to that time? 8 tickets for the TR7846 leaving at 09:32 your reference number is D0CG7JD3 . Anything else today? I'm sorry, I meant that I need 5 ticket for the train booked. Can you fix this? Yes sure. I booked that for you for 5 people and the reference number is IFXPNYHS . Now that the train is settled, I need a place to stay that is in the expensive range with free parking, please. There are a number of expensive hotels in town. Do you have a preference for area you'd like to stay? I would prefer a guesthouse if possible. I do not have any expensive guesthouses. Can I try something else? Can you try moderately priced? I suggest acorn guest house it is in 154 chesterton road. Ok, that sounds great. Can you book that for me for 3 nights? Yes. I need to know what night you'd like your reservation to begin and how many people it will be for. For 5 people starting on Saturday. I have made those reservations and your reference number is S4MONUEY .