Parse this person name:

Keith Raymond, 1831-1900, flourished 1857-1886
user
first_name: Keith
last_name: Raymond
middle_names: []
temporal:
- start: 1831
  end: 1900
  type: life_span
- start: 1857
  end: 1886
  type: flourished
titles: []
extra_info: []
assistant