Hi, I'm looking for a hotel. I'm looking for something with zero stars, I'm kind of doing an irony thing.
I show 3 with zero stars. One in the north, and two in the centre. Did you have a preference?
yes the one in centre of town will you book it ?
Cityroomz is in the centre of town with 0 stars. What date will you like me to book it?
Is it a guesthouse?
it is moderate  priced hotel with free  internet. can we go ahead and book?
Yes please, 3 people for 5 nights starting on wednesday.  
You're all set! Reference number is CPNDRAUS. Is there anything else I can help you with?
I am looking to get train tickets as well. 
We have 2,828 different trains available.  Where are you leaving from.
I will travel to cambridge from stansted airport on wednesday and need to arrive by 14:15
There are 9 trains available. Do you need tickets booked?
Yes, I will need tickets for the group. Thank you
I have you booked on the last train, departing at 9:52. Your reference number is FIDSQKSN. Is there anything else I can assist you with today?
That is all for now. Thank You
I'm happy to help, and I hope you enjoy your time in Cambridge!