Parse this person name:

Kelli Stevenson (1258-1327, flourished 1274-1295)
user
first_name: Kelli
last_name: Stevenson
middle_names: []
temporal:
- start: 1258
  end: 1327
  type: life_span
- start: 1274
  end: 1295
  type: flourished
titles: []
extra_info: []
assistant