Parse this person name:

Calvin Ward (1275-1336, flourished 1304-1323)
user
first_name: Calvin
last_name: Ward
middle_names: []
temporal:
- start: 1275
  end: 1336
  type: life_span
- start: 1304
  end: 1323
  type: flourished
titles: []
extra_info: []
assistant