Parse this person name:

Beau Becht, 1619-1661, flourished 1646-1656
user
first_name: Beau
last_name: Becht
middle_names: []
temporal:
- start: 1619
  end: 1661
  type: life_span
- start: 1646
  end: 1656
  type: flourished
titles: []
extra_info: []
assistant