Parse this person name:

Beau Verschuere (1344-1420, flourished 1373-1401)
user
first_name: Beau
last_name: Verschuere
middle_names: []
temporal:
- start: 1344
  end: 1420
  type: life_span
- start: 1373
  end: 1401
  type: flourished
titles: []
extra_info: []
assistant