Parse this person name:

Alix Boucher, 1403-1463, flourished 1421-1434
user
first_name: Alix
last_name: Boucher
middle_names: []
temporal:
- start: 1403
  end: 1463
  type: life_span
- start: 1421
  end: 1434
  type: flourished
titles: []
extra_info: []
assistant