Parse this person name:

Benjamin Valette (1811-1885, flourished 1838-1862)
user
first_name: Benjamin
last_name: Valette
middle_names: []
temporal:
- start: 1811
  end: 1885
  type: life_span
- start: 1838
  end: 1862
  type: flourished
titles: []
extra_info: []
assistant