Parse this person name:

Kirsten Berger (1438-1484, flourished 1468-1479)
user
first_name: Kirsten
last_name: Berger
middle_names: []
temporal:
- start: 1438
  end: 1484
  type: life_span
- start: 1468
  end: 1479
  type: flourished
titles: []
extra_info: []
assistant