Parse this person name:

Richard Allen-Fletcher (1334-1412, flourished 1357-1380)
user
first_name: Richard
last_name: Allen-Fletcher
middle_names: []
temporal:
- start: 1334
  end: 1412
  type: life_span
- start: 1357
  end: 1380
  type: flourished
titles: []
extra_info: []
assistant