Parse this person name:

Emma Gasperi (1422-1480, flourished 1439-1450)
user
first_name: Emma
last_name: Gasperi
middle_names: []
temporal:
- start: 1422
  end: 1480
  type: life_span
- start: 1439
  end: 1450
  type: flourished
titles: []
extra_info: []
assistant