{% if owner %}

You Have Created a New Booking.

We have recieved your booking request and will start working on it right away.

{% else %}

You Have Been Added as a Collaborator to a Booking.

{{booking.owner.username}} has given you access to their booking.

{% endif %}
{% for user in booking.collaborators.all %} {% empty %} {% endfor %}

Booking Information:
Owner:	{{booking.owner.username}}
id:	{{booking.id}}
lab:	{{booking.resource.template.lab.lab_user.username}}
resource:	{{booking.resource.template.name}}
start:	{{booking.start}}
end:	{{booking.end}}
purpose:	{{booking.purpose}}
collaborator{% booking.collaborators.all.count|pluralize:"s" %}:
	{{user.username}}
	No collaborators

You can find more detailed information here