I just need a little help booking a train from cambridge. Where are you traveling to? To Bishops Stortford I need to arrive by 12:45 on Tuesday. What time do you need to depart and on what day? I don't care what time I depart as long as I can arrive by 12:45 on Tuesday. Alright perfect! How many people will need tickets? I will need 4 tickets please. Your reference number is SIRFMX3O . May I help you with anything else today? Can you find a hotel for me called Alexander Bed and breakfast? That's a 4-star guesthouse in the city centre. They offer free wifi and parking. Would you like me to make a reservation for you? Yes, please, for 4 people, for 3 nights, starting Saturday. Great! The reference number is ZFGSW8HU, do you need help with anything else?