pms/hotel_calendar/views/actions.xml

<?xml version="1.0"?>
<odoo>

    <record model="ir.actions.act_window" id="hotel_reservation_action_checkin">
        <field name="name">Hotel folio checkin</field>
        <field name="res_model">hotel.reservation</field>
        <field name="view_type">form</field>
        <field name="view_mode">tree,form</field>
        <field name="domain">[('real_checkin','=', datetime.datetime.now().strftime('%Y-%m-%d')),
                              ('state', 'in', ['confirm']),
                              ('reservation_type', 'not in', ['out'])]</field>
    </record>

    <record model="ir.actions.act_window" id="hotel_reservation_action_checkout">
        <field name="name">Hotel folio checkout</field>
        <field name="res_model">hotel.reservation</field>
        <field name="view_type">form</field>
        <field name="view_mode">tree,form</field>
        <field name="domain">[('real_checkout','=', datetime.datetime.now().strftime('%Y-%m-%d')),
                              ('state', 'in', ['booking']),
                              ('reservation_type', 'not in', ['out'])]</field>
    </record>

    <record model="ir.actions.act_window" id="hotel_calendar_action_form_tree">
        <field name="name">Hotel Calendar</field>
        <field name="res_model">hotel.calendar</field>
        <field name="view_type">form</field>
        <field name="view_mode">tree,form</field>
    </record>

 </odoo>