I'd like to find a hotel in the centre of town with free parking, please.
Sure thing.  There are 2 hotels available, Gonville hotel and University Arms Hotel.  Which hotel do you prefer?
Which hotel is a star of 3? 
Gonville, shall I book it for you?
Yes, that would be fine.  Please book it for 7 people starting Tuesday for 2 nights.
I 'm afraid the booking was unsuccesful.  Would you like to try another day or a shorter stay?
Let's try it for one night then please
Success. Your reference number is NQF2R59K.
Thank you. I also need a train going to london liverpool street on wednesday. 
Do you have a departure or arrival time you would like?
I am leaving from cambridge and need to arrive at london liverpool street by 08:00 for a meeting.
TR1047 will get you there by 7:27, will that work for you?
Yes please book the the train for 7 people and can I get the reference number.
The Booking was successful, the total fee is 116.2 GBP. Reference number is : 1P1T8F7D. May I help with anything else?
No, that's all I need right now.  Thank you and have a nice day.  Bye
The duration lasts 88 minutes. Have a nice day.