Odoo Wizards

wizard.py

from odoo import models, fields, api

class PopupWizard(models.TransientModel):
    _name = 'popup.wizard'
    
    title = fields.Char()
    start_date = fields.Datetime()
    
    def confirm(self):
      pass

wizard.xml

<odoo>
    <data>
        <record model="ir.ui.view" id="wizard_form">
            <field name="name">Wizard Form</field>
            <field name="model">popup.wizard</field>
            <field name="type">form</field>
            <field name="arch" type="xml">
                <form string="Popup Wizard">
                    <group>
                        <group>
                            <field name="start_date"/>
                            <field name="end_date"/>
                        </group>
                    </group>
                    <footer>
                        <button name="confirm" string="Confirm" type="object" class="oe_highlight"/>
                        <button string="Cancel" special="cancel"/>
                    </footer>
                </form>
            </field>
        </record>

        <act_window id="action_popup_wizard"
                    name="Popup Wizard"
                    res_model="popup.wizard"
                    view_mode="form"
                    target="new"/>

        <menuitem id="popup_wizard_menu" name="Popup Wizard" sequence="1" parent="your_module.your_menu" action="action_popup_wizard"/>
    </data>
</odoo>