Parse this person name:

Kevin Alexander (1315-1364, flourished 1331-1343)
user
first_name: Kevin
last_name: Alexander
middle_names: []
temporal:
- start: 1315
  end: 1364
  type: life_span
- start: 1331
  end: 1343
  type: flourished
titles: []
extra_info: []
assistant