Parse this person name:

Chantal Gérard, 1404-1484, flourished 1427-1455
user
first_name: Chantal
last_name: Gérard
middle_names: []
temporal:
- start: 1404
  end: 1484
  type: life_span
- start: 1427
  end: 1455
  type: flourished
titles: []
extra_info: []
assistant