Parse this person name:

Keith Holmes, 1886-1947, flourished 1911-1924
user
first_name: Keith
last_name: Holmes
middle_names: []
temporal:
- start: 1886
  end: 1947
  type: life_span
- start: 1911
  end: 1924
  type: flourished
titles: []
extra_info: []
assistant