Dear {{owner_name}},

This is a friendly reminder that your pet {{pet_name}} ({{pet_species}}) is due for the {{vaccine_name}} vaccination on {{due_date}}.

That's in {{days_until_due}} — please contact us to schedule an appointment at your earliest convenience.

Clinic: {{clinic_name}}
Phone: {{clinic_phone}}
Email: {{clinic_email}}

Thank you for keeping {{pet_name}} healthy!

Best regards,
{{clinic_name}}