I am trip in Cambridge looking for a restaurant. 
What kind of restaurant?
I'm in the mood for Spanish food. Are there any on the east side of town that are in the moderate price range?
There are no spanish restaurants in the east, but there's one in the centre called La Tasca. Would you like more information?
No, I really want to stay in the east. How about an Italian restaurant?
there are 15 in that side. what is your price range?
It should be moderately priced. 
Great news.  The Pizza Hut Fen Ditton is in the moderate price range in the east.  Would you like me to book you a reservation?
book a table for 7 people at 15:45 on monday.
Booking was successful. The table will be reserved for 15 minutes. Your reference number is : WS8I58FS. Can I help with anything else?
That is all I need.
Great.  Have a good day.
I will also need a train that will leave Cambridge after 2:00 pm to Ely on Tuesday
TR1534 leaves at 05:50 and arrives at 06:07.  Would you like me to book a ticket for you?
Can you book it for me and get a reference number ?

I sure can.  Your reference number is DX6XOLRA.
Thank you so much. What about helping me look for an attraction?
Sure! What kind of attraction would you like to visit?
I would like something fun. 
I'm sure I can find something for you.  Is there a specific area you'd like me to look in?
Let's forget about the attraction for now.  Can you help me with a train?
You need a train in addition to the one we have already booked for you?
No, thanks I'll take the train that is already booked.
Is there anything else that you need?
Yes, lets look for that attraction. I would like for it to be in the same area as the restaurant.
Okay, so you'd like an attraction in the east. Did you have anything in particular in mind?
You know, I've changed my mind. I don't need anything else today. Thanks very much for your help.
Sure. If we can be of further assistance, please reach out to us again. It's been a pleasure helping you today. Good-bye.