Could you please help me to check out the book ?
neutral
user
Sure , what's the author's name , please .
neutral
assistant
I can't remember that clearly . It probably be Charles ...
neutral
user
Charles Dickens ?
neutral
assistant
No , no , no . I'm not interested in literature .
neutral
user
OK , do you know the title of the book ?
neutral
assistant
Oh , sorry . I'm always absent-minded . I remember that I've put a note in my pocket .
neutral
user
So , show me the note please .
neutral
assistant
I can't find it now .
neutral
user
Oh , such bad luck , sir . Can you please name the category of the book ?
neutral
assistant
Let me see . It's not fiction . It's biography .
neutral
user
OK , I'll search it for you . A moment , please .
neutral
assistant