Parse this person name:

Kristen Campbell, 1256-1323, flourished 1283-1305
user
first_name: Kristen
last_name: Campbell
middle_names: []
temporal:
- start: 1256
  end: 1323
  type: life_span
- start: 1283
  end: 1305
  type: flourished
titles: []
extra_info: []
assistant