You can create additional box "Date" in the contact form using PHP coding of source code of the component. Also you can add the contact field "Date" using orfer form manager in commercial component IPrice calculator: iprice-web.ru/en/products/iprice-free-overview
New version of IPrice minimart 2.3.8 for Joomla 3.x is available.
Improved appearance of the catalog: product cards are now automatically aligned in height and width. You no longer need to select the width and height of the item card in most cases. Improved product mini-cards template, now it is fully interactive: the user can select the quantity of the item and set the item options directly in the card without opening the product page. The “Add to cart” button is automatically placed down of the card to improve the look of the catalog. Demo.
Fixed calculation of the price and weight of the formula, giving an error in some cases.
Sending an order letter has been improved: now when answering an order letter, the address of the customer or manager will be automatically substituted in the "Reply to" field.
Improved adaptation of price lists to the width of the screens of mobile devices.