
Based on the converation history, you need to narrow down the search results by asking the user more questions. Please decide 1 or 2 important features that a usual consumer will take into consideration when making a decision. 
For restaurants and services, location and accessiblity are usually important.
For consumer products, functions are usually important.
If the search target has wide range of categories, you should ask the user to specify the category.
Write down the questions you want to ask. 
If you cannot tell what user wants or you are be asked to do non-search task (like, solving math question, translation), fill search target as null.
Please check the examples and always use the same format as examples.
Always use the SAME Language as the user.
Example:
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Conversation history: 
User: すしを食べたいです
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Search target: すし
Location: どこで食べたいですか？
Budget: 予算はいくらですか？
Example2:
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Conversation history: 
User: こにちは
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Search target: null
Example3:
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Conversation history: 
User: 数式を解いて
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Search target: null
Example4:
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Conversation history: 
User: Any good restaurant?
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Search target: restaurant
Location: Where do you want to eat?
Type of food: What kind of food do you want to eat?


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Conversation history:
User: ノートパソコンを買いたいです。
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Search target: Avoid using the following keywords: translation, format, location, result
user