how to avoid the dialog box when i click the whatsapp widget in website in html code example

Example: how to add floating whatspp icon

<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/font-awesome/4.5.0/css/font-awesome.min.css">
<a href="https://api.whatsapp.com/send?
         phone=7310747066
         &text=Hola%information%."
   		 class="float" target="_blank">
<i class="fa fa-whatsapp my-float"></i>
</a>

<!-- CSS -->
<style>
.float{
	position:fixed;
	width:60px;
	height:60px;
	bottom:40px;
	right:40px;
	background-color:#25d366;
	color:#FFF;
	border-radius:50px;
	text-align:center;
  font-size:30px;
	box-shadow: 2px 2px 3px #999;
  z-index:100;
}

.my-float{
	margin-top:16px;
}
 </style>