Parse this person name:

Guillaume Boulanger, 1948-2000, flourished 1970-1993
user
first_name: Guillaume
last_name: Boulanger
middle_names: []
temporal:
- start: 1948
  end: 2000
  type: life_span
- start: 1970
  end: 1993
  type: flourished
titles: []
extra_info: []
assistant