{{- if .Messages }}
{{- if .System }}<start_system>{{ .System }}<end_message>
{{- end }}
{{- range .Messages }}<start_{{ .Role }}>{{ .Content }}<end_message>
{{- end }}<start_assistant>
{{- else }}
{{ if .System }}<start_system>{{ .System }}<end_message>{{ end }}{{ if .Prompt }}<start_user>{{ .Prompt }}<end_message>{{ end }}<start_assistant>{{ .Response }}<end_message>
{{- end }}