Parse this person name:

Kelsey Stevens, 1860-1932, flourished 1888-1908
user
first_name: Kelsey
last_name: Stevens
middle_names: []
temporal:
- start: 1860
  end: 1932
  type: life_span
- start: 1888
  end: 1908
  type: flourished
titles: []
extra_info: []
assistant