Parse this person name:

Casemiro Avilés, 1931-2004, flourished 1961-1984
user
first_name: Casemiro
last_name: Avilés
middle_names: []
temporal:
- start: 1931
  end: 2004
  type: life_span
- start: 1961
  end: 1984
  type: flourished
titles: []
extra_info: []
assistant