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: hello. Can you tell me, What type of movies do you like? , USER: I like thrillers. , ASSISTANT: OK. Great. Why do you like thrillers? , USER: cause I like to watch movies where they're not always predictable. , ASSISTANT: so do you like movies like dunkirk?
Output:
dunkirk