I will be staying in Cambridge.  I need a hotel with wifi.
What about a and b guest house? It's in the East.
I need something in the centre.
There are 7 hotels which area do you prefer? 
The north part of town
I ran a search in the north, there's 12 choices.  Lets make sure were on the same page, is this the area that you want? Also hotel or Guesthouse?
Sorry, I've been all over the place. To be clear, I need a hotel with free wifi and parking that is in the centre. 
Shall I choose a hotel for you, or do you have a preference? 4 hotels have free parking and internet in that area.
yes please recommend one. the booking is needed for saturday. 3 nights, 6 people
May I recommend alexander bed and breakfast. While it is a cheap guesthouse in the centre of town, it has a 4 star rating and also included internet and parking
Ok great. Can you book a room for 6 people and 3 nights starting from Saturday.
Booking was successful.
Reference number is : QK6KCZQA
Great, thank you. I'm also in need of an Indian restaurant in the cheap price range. Can you find me one? 
We have several.  What part of town are you thinking?
Any will do, what ever you recommend.
Royal Spice is located in the north.  It's one of my personal favorites.  Would you like me to make reservations for you?
I certainly want to try it then. Please book for 6 people at 11:30 on Saturday.
You have been booked at the Royal Spice. Your reference number is WSPAI5JJ. Can I be of further assistance today?
Thank you .  I am all set. 
Great! And you're welcome, have a great day!