Find me train times from cambridge to london liverpool street.
Which day would you be traveling? 
Wednesday, please. Any time after 08:00.
I have train TR5874 that leaves at 09:59 and arrives in London Liverpool Street at 11:27. Would that suit your needs?
Yes, I would like a ticket just for myself.
I have booked the seat and here is the information-Booking was successful, the total fee is 16.6 GBP payable at the station .
Reference number is : E770Z8W7.
Thank you. Please also find me a moderately priced hotel on the West side
Yes, Hobson's House matches your request. Would you like me to book a room for you?
check first if it has  free parking and should have a star of 4
It fits that criteria. 
Okay, go ahead and book a room. It's just for me.
How many nights would you like?
Please book for 2 nights, for 1 person starting on Monday.
I'm sorry, but the hobsons house is a 3 star guesthouse.