Parse this person name:

Dalton Wagner, 1896-1940, flourished 1917-1935
user
first_name: Dalton
last_name: Wagner
middle_names: []
temporal:
- start: 1896
  end: 1940
  type: life_span
- start: 1917
  end: 1935
  type: flourished
titles: []
extra_info: []
assistant