Parse this person name:

William Coste, 1605-1668, flourished 1631-1654
user
first_name: William
last_name: Coste
middle_names: []
temporal:
- start: 1605
  end: 1668
  type: life_span
- start: 1631
  end: 1654
  type: flourished
titles: []
extra_info: []
assistant