Parse this person name:

Christopher Dickerson, 1354-1404, flourished 1381-1399
user
first_name: Christopher
last_name: Dickerson
middle_names: []
temporal:
- start: 1354
  end: 1404
  type: life_span
- start: 1381
  end: 1399
  type: flourished
titles: []
extra_info: []
assistant