@php
    $doctor   = $appointment->doctor;
    $service  = $appointment->service;
    $dt       = $appointment->scheduled_at;
@endphp

<p>Ciao {{ $appointment->patient_name }},</p>

<p>ti ricordiamo il tuo appuntamento.</p>

<p>
    <strong>Data:</strong> {{ $dt?->format('d/m/Y') }}<br>
    <strong>Ora:</strong> {{ $dt?->format('H:i') }}<br>
    @if($doctor)
        <strong>Medico:</strong> {{ $doctor->name }}<br>
    @endif
    @if($service)
        <strong>Prestazione:</strong> {{ $service->name }}<br>
    @endif
</p>

<p>Grazie,<br><em>eDocly</em></p>