Parse this person name:

Céline Dufour, 1435-1512, flourished 1455-1478
user
first_name: Céline
last_name: Dufour
middle_names: []
temporal:
- start: 1435
  end: 1512
  type: life_span
- start: 1455
  end: 1478
  type: flourished
titles: []
extra_info: []
assistant