Parse this person name:

Julien Guibert (1271-1348, flourished 1289-1301)
user
first_name: Julien
last_name: Guibert
middle_names: []
temporal:
- start: 1271
  end: 1348
  type: life_span
- start: 1289
  end: 1301
  type: flourished
titles: []
extra_info: []
assistant