Parse this person name:

Denis Petitjean (1220-1293, flourished 1239-1251)
user
first_name: Denis
last_name: Petitjean
middle_names: []
temporal:
- start: 1220
  end: 1293
  type: life_span
- start: 1239
  end: 1251
  type: flourished
titles: []
extra_info: []
assistant