invite friend to via email in contact form 7

hi guys hope you are best of health i have problem in contact form 7 plugin. i want to “refer our office” to other friend but email is not going to friend. Here is my code.please anyone help me.

<p>
[text* friendfirstname id:friendfirstname placeholder “Friend First Name”]
</p>

<p>
[text* friendlastname id:friendlastname placeholder “Friend Last Name”]</p>

<p>
[tel friendphonenumber id:friendphonenumber placeholder “Friend Phone Nmber” ]</p>

<p>
[email* friendemail id:friendemail placeholder “Friend Email” ]</p>

<p>
[text* yourfirstname id:yourfirstname placeholder “Your First Name” ]</p>

<p>
[text* yourlastname id:yourlastname placeholder “Your Last Name”]</p>

<p>
[email* youremail id:youremail placeholder “Your Email” ] </p>
<p>
[text subject id:subject placeholder "Subject" ]
</p>

<p>
[textarea* yourmessage id:yourmessage placeholder “Your Message” ]</p>

<p>[submit “Send”]</p>