I would like to book a train out of Cambridge, please. I'd by happy to help. Where would you like to arrive? I want to go to london liverpool street. On what day and time will you be traveling? Tuesday leaving sometime after 18:45. Ok, TR 3515 leaves on Tuesday at 19:59. Would you like to book it? Yes, that sounds great. How many seats will you need for this trip? Actually, I can book it separately. But I will need help booking a hotel -- the Lovell Lodge I can help with that! How many people will be staying, for how long, and which day would you like to arrive? Thank you! For 3 people, and 3 nights, starting Saturday, please. I was able to book it, reference number is R72D5LVK . Thank you for the help, thats all I need today. You're very welcome. Have a nice day.