What can I do for you ?
neutral
user
Would you recommend some materials on the World War Two ?
neutral
assistant
Have you found a particular item from the card catalogue ?
neutral
user
Yes , but I don't think they are enough for me .
neutral
assistant
Oh , maybe you can find something from the New York Times , or the Washington Post during that period .
neutral
user
That's a good idea . Thanks a lot .
happiness
assistant