Parse this person name:

Rayan David, 1424-1464, flourished 1443-1454
user
first_name: Rayan
last_name: David
middle_names: []
temporal:
- start: 1424
  end: 1464
  type: life_span
- start: 1443
  end: 1454
  type: flourished
titles: []
extra_info: []
assistant