Parse this person name:

Alex Gonzalez (1431-1504, flourished 1447-1464)
user
first_name: Alex
last_name: Gonzalez
middle_names: []
temporal:
- start: 1431
  end: 1504
  type: life_span
- start: 1447
  end: 1464
  type: flourished
titles: []
extra_info: []
assistant