Parse this person name:

Kevin Sanchez, 1803-1872, flourished 1825-1855
user
first_name: Kevin
last_name: Sanchez
middle_names: []
temporal:
- start: 1803
  end: 1872
  type: life_span
- start: 1825
  end: 1855
  type: flourished
titles: []
extra_info: []
assistant