Parse this person name:

John Montgomery (1340-1415, flourished 1357-1371)
user
first_name: John
last_name: Montgomery
middle_names: []
temporal:
- start: 1340
  end: 1415
  type: life_span
- start: 1357
  end: 1371
  type: flourished
titles: []
extra_info: []
assistant