Parse this person name:

Christopher Williams, 1344-1393, flourished 1366-1388
user
first_name: Christopher
last_name: Williams
middle_names: []
temporal:
- start: 1344
  end: 1393
  type: life_span
- start: 1366
  end: 1388
  type: flourished
titles: []
extra_info: []
assistant