Parse this person name:

John Bradley (1327-1379, flourished 1342-1354)
user
first_name: John
last_name: Bradley
middle_names: []
temporal:
- start: 1327
  end: 1379
  type: life_span
- start: 1342
  end: 1354
  type: flourished
titles: []
extra_info: []
assistant