Parse this person name:

Diego Agustí, 1251-1320, flourished 1267-1278
user
first_name: Diego
last_name: Agustí
middle_names: []
temporal:
- start: 1251
  end: 1320
  type: life_span
- start: 1267
  end: 1278
  type: flourished
titles: []
extra_info: []
assistant