Parse this person name:

Walter Lopez, 1380-1449, flourished 1407-1426
user
first_name: Walter
last_name: Lopez
middle_names: []
temporal:
- start: 1380
  end: 1449
  type: life_span
- start: 1407
  end: 1426
  type: flourished
titles: []
extra_info: []
assistant