Parse this person name:

Sandy Boucsein, 1381-1460, flourished 1407-1432
user
first_name: Sandy
last_name: Boucsein
middle_names: []
temporal:
- start: 1381
  end: 1460
  type: life_span
- start: 1407
  end: 1432
  type: flourished
titles: []
extra_info: []
assistant