You will be given a definition of a task first, then some input of the task.
Find the movie name from the given conversation. If the movie name is not found give output as "unknown"

ASSISTANT: what kind of movies do you like? , USER: I like movies such as like Schindler's List, Shawshank Redemption, basically anything that's drama, that's like based on a real story is interesting. I like you know, action movies. I like comedies, and you know, movies like Titanic.
Output:
Titanic