Parse this person name:

Alessandra Alonzi, 1220-1299, flourished 1250-1260
user
first_name: Alessandra
last_name: Alonzi
middle_names: []
temporal:
- start: 1220
  end: 1299
  type: life_span
- start: 1250
  end: 1260
  type: flourished
titles: []
extra_info: []
assistant