Parse this person name:

Andrew Stephens (1803-1880, flourished 1820-1830)
user
first_name: Andrew
last_name: Stephens
middle_names: []
temporal:
- start: 1803
  end: 1880
  type: life_span
- start: 1820
  end: 1830
  type: flourished
titles: []
extra_info: []
assistant