Parse this person name:

Julien Thibault (1216-1279, flourished 1243-1273)
user
first_name: Julien
last_name: Thibault
middle_names: []
temporal:
- start: 1216
  end: 1279
  type: life_span
- start: 1243
  end: 1273
  type: flourished
titles: []
extra_info: []
assistant