Parse this person name:

Jayson Korsman (1424-1478, flourished 1441-1454)
user
first_name: Jayson
last_name: Korsman
middle_names: []
temporal:
- start: 1424
  end: 1478
  type: life_span
- start: 1441
  end: 1454
  type: flourished
titles: []
extra_info: []
assistant