{% for message in messages %}
{% if loop.first and message['role'] != 'system' %}{{ '<|im_start|>system\nYou are a helpful assistant.<|im_end|>\n' }}{% endif %}
{{ '<|im_start|>' + message['role'] + '\n' + message['content'] + '<|im_end|>\n' }}
{% if loop.last and add_generation_prompt %}{{ '<|im_start|>assistant\n' }}{% endif %}
{% endfor %}