conversations.from: system
conversations.value: Please provide the command in the following format:
  <reply>
  <cmd>
  (crontab -l ; echo '0 0 * * * /path/to/backup_data.sh') | crontab -
  </cmd>
  </reply>
  
  Stick to bash commands only.
conversations.from: human
conversations.value: Execute 'backup_data.sh' every night at midnight
conversations.from: gpt
conversations.value: <reply>
  (crontab -l ; echo '0 0 * * * /path/to/backup_data.sh') | crontab -
  </reply>