Parse this person name:

Michael Rivera, 1224-1267, flourished 1240-1262
user
first_name: Michael
last_name: Rivera
middle_names: []
temporal:
- start: 1224
  end: 1267
  type: life_span
- start: 1240
  end: 1262
  type: flourished
titles: []
extra_info: []
assistant