Parse this person name:

Benjamin Pereira, 1934-2003, flourished 1959-1971
user
first_name: Benjamin
last_name: Pereira
middle_names: []
temporal:
- start: 1934
  end: 2003
  type: life_span
- start: 1959
  end: 1971
  type: flourished
titles: []
extra_info: []
assistant