call .svc rest service

how to call .svc rest service in asp.net .ajex method

http://svc.middleeasthotel.com/Service.svc/CurrencyConvert?From=USD&To=INR&Amount=1

not call that service in bellow code getting some error

$.ajax({
        type: 'GET',
        url: wsUrl,
        contentType: "application/json, charset=utf-8",
        dataType: "json",
        success: function (data) {
        alert(data.d);
},
error: function (e) {
        alert(e.message);
}