Parse this person name:

Wálter Canals, 1904-1978, flourished 1928-1946
user
first_name: Wálter
last_name: Canals
middle_names: []
temporal:
- start: 1904
  end: 1978
  type: life_span
- start: 1928
  end: 1946
  type: flourished
titles: []
extra_info: []
assistant