U: I'm looking for a restaurant that serves swiss food.

S: I'm sorry but there are no swiss restaurants in town. Can i offer you something else?

U: How about vietnamese food?

S: Yes thanh binh serves vietnamese food and it is in the west part of town can i help you with anything else?

U: Can you confirm whether Thanh Binh has a good atmosphere?
S: Two customers say that the atmosphere is pretty lame, while one customer says that it has a great atmosphere where they sat. Do you want to explore other locations?