Parse this person name:

Bradley Allen, 1818-1893, flourished 1843-1861
user
first_name: Bradley
last_name: Allen
middle_names: []
temporal:
- start: 1818
  end: 1893
  type: life_span
- start: 1843
  end: 1861
  type: flourished
titles: []
extra_info: []
assistant