Parse this person name:

Alfred Langlois, 1381-1448, flourished 1409-1435
user
first_name: Alfred
last_name: Langlois
middle_names: []
temporal:
- start: 1381
  end: 1448
  type: life_span
- start: 1409
  end: 1435
  type: flourished
titles: []
extra_info: []
assistant