Parse this person name:

Gerrit Becht, 1798-1854, flourished 1823-1849
user
first_name: Gerrit
last_name: Becht
middle_names: []
temporal:
- start: 1798
  end: 1854
  type: life_span
- start: 1823
  end: 1849
  type: flourished
titles: []
extra_info: []
assistant