Custom email field on cart or checkout page

Hi. I just want to display a custom email field on the checkout page, so that the users will enter the email address in the field and it will not only display that email address in the woocommerce order but it should also send a particular information to the entered email address. For example someone wants to send a product as a gift to someone. So the reciever should also know about it. Is that possible with this plugin. Thanks.