Parse this person name:

Sylvie Legrand (1342-1417, flourished 1369-1379)
user
first_name: Sylvie
last_name: Legrand
middle_names: []
temporal:
- start: 1342
  end: 1417
  type: life_span
- start: 1369
  end: 1379
  type: flourished
titles: []
extra_info: []
assistant