Parse this person name:

Agustín Cabeza (1210-1278, flourished 1232-1255)
user
first_name: Agustín
last_name: Cabeza
middle_names: []
temporal:
- start: 1210
  end: 1278
  type: life_span
- start: 1232
  end: 1255
  type: flourished
titles: []
extra_info: []
assistant