Parse this person name:

Mila Kirpenstein (1415-1465, flourished 1434-1453)
user
first_name: Mila
last_name: Kirpenstein
middle_names: []
temporal:
- start: 1415
  end: 1465
  type: life_span
- start: 1434
  end: 1453
  type: flourished
titles: []
extra_info: []
assistant