Hi ${object.partner_id and object.partner_id.name or ''},

Welcome to ${object.company_id.name}. It's great to meet you! Now that you're on board, you'll discover what ${object.company_id.name} has to offer. My name is ${object.user_id.name} and I'll help you get the most out of Odoo. Could we plan a quick demo soon?
Feel free to reach out at any time!

Best,
% if object.user_id: ${object.user_id.name}
Email: ${object.user_id.email or ''}
Phone: ${object.user_id.phone or ''} % else: ${object.company_id.name} % endif