Parse this person name:

Lazzaro Ariasso, 1226-1297, flourished 1250-1277
user
first_name: Lazzaro
last_name: Ariasso
middle_names: []
temporal:
- start: 1226
  end: 1297
  type: life_span
- start: 1250
  end: 1277
  type: flourished
titles: []
extra_info: []
assistant