Parse this person name:

Laurent Dupont, 1920-1989, flourished 1946-1972
user
first_name: Laurent
last_name: Dupont
middle_names: []
temporal:
- start: 1920
  end: 1989
  type: life_span
- start: 1946
  end: 1972
  type: flourished
titles: []
extra_info: []
assistant