Are there any hotels in the centre that have free parking, please? 
There are two hotels available: the Gonville Hotel and University Arms Hotel. Would you like more information on them?
Does either one have a star of 4?
University Arms Hotel is rated 4 stars. Would you like reservation?
Do they have internet and if so what is the address there?
They do have free wifi. They are located on regent street. 
Thanks. I'm also looking for a train from cambridge to london liverpool street?
I have 70 trains.  What day and time are you wanting to travel?
Um, Sunday but after 11:15
okay how many tickets please?
3 people, please. And if I can also get the reference number. 
I have booked 3 tickets on the TR9025 train leaving at 11:59. Your Reference number is : 9JASQYBJ.
Will that be all today?
Yes, thank you for your help!
You're welcome. Thank you. Goodbye