Parse this person name:

David Ellis (1946-2004, flourished 1966-1976)
user
first_name: David
last_name: Ellis
middle_names: []
temporal:
- start: 1946
  end: 2004
  type: life_span
- start: 1966
  end: 1976
  type: flourished
titles: []
extra_info: []
assistant