what does cambridge offer so far as expensive , german restaurant -s ?
user
there s no restaurant -s meeting your criteria . would you like to change anything parameters ?
assistant
oh really ? i was hoping to eat expensive german cuisine in the northern part of town .
user
would you like to search for something else ?
assistant
is there any asian oriental restaurant -s in the north area ?
user
yes , there is 1 called saigon city . would you like more information ?
assistant
i would like you to book it . 2 people 18:00 on sunday .