Parse this person name:

Kristin Brock, 1902-1971, flourished 1928-1946
user
first_name: Kristin
last_name: Brock
middle_names: []
temporal:
- start: 1902
  end: 1971
  type: life_span
- start: 1928
  end: 1946
  type: flourished
titles: []
extra_info: []
assistant