Parse this person name:

Randall Chase, 1420-1460, flourished 1444-1455
user
first_name: Randall
last_name: Chase
middle_names: []
temporal:
- start: 1420
  end: 1460
  type: life_span
- start: 1444
  end: 1455
  type: flourished
titles: []
extra_info: []
assistant