U: I am looking for a restaurant in the city center that serves modern European food.

S: I can recommend the Michaelhouse Cafe. Would you like me to make a reservation?

U: Yes, I would like to reserve a table for 5 people at 18:00 on Wednesday.

S: I'm sorry, but there aren't any reservations available at michaelhouse at that time.   Would you like to try a different restaurant?

U: Yes, please find me another restaurant in the city center in the same price range.

S: michaelhouse cafe is a nice place and the only option available.

U: Are the portions of food served at this restaurant large?
S: The portion sizes were quite large and many left full. A couple people thought portions were small and not big enough.