Parse this person name:

Christopher Perry, 1820-1861, flourished 1843-1856
user
first_name: Christopher
last_name: Perry
middle_names: []
temporal:
- start: 1820
  end: 1861
  type: life_span
- start: 1843
  end: 1856
  type: flourished
titles: []
extra_info: []
assistant