U: I haven't had eritrean in forever and would like to have some. Please find me a moderately priced restaurant that serves it

S: I'm sorry, there are no restaurants like that in Cambridge.

U: How about something in the centre of town?

S: There are 21 restaurants in the centre of town. Do you have another cuisine type?

U: I would really prefer European food if you can find that for me.

S: There are 4 moderately priced options. I recommend galleria.

U: Do they have a top notch atmosphere?
S: Yes according to some of the reviews left by previous customers.   The reviews stated that the atmosphere was lively and full of engery.  However a few reviews stated that the atmosphere was a bit boring