Parse this person name:

Benjamin Morgan, 1342-1387, flourished 1360-1374
user
first_name: Benjamin
last_name: Morgan
middle_names: []
temporal:
- start: 1342
  end: 1387
  type: life_span
- start: 1360
  end: 1374
  type: flourished
titles: []
extra_info: []
assistant