Parse this person name:

William Barnes, 1826-1902, flourished 1854-1866
user
first_name: William
last_name: Barnes
middle_names: []
temporal:
- start: 1826
  end: 1902
  type: life_span
- start: 1854
  end: 1866
  type: flourished
titles: []
extra_info: []
assistant