Parse this person name:

Marguerite Dubois, 1340-1418, flourished 1363-1389
user
first_name: Marguerite
last_name: Dubois
middle_names: []
temporal:
- start: 1340
  end: 1418
  type: life_span
- start: 1363
  end: 1389
  type: flourished
titles: []
extra_info: []
assistant