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?
Nope, That's all I need. Thank you. 
You're very welcome. Thank you for using Cambridge TownInfo. Goodbye.