Ba, I am trying to fetch data from the database and write the Future, but it gives me an error when it comes to the await instruction so what is wrong

Ba, I am trying to fetch data from the database and write the Future, but it gives me an error when it comes to the await instruction so what is wrong <

import 'package:flutter/material.dart';
import '../../constants.dart';
import '../constant.dart';
import '../style.dart';
import 'destinationDetail.dart';
import 'package:http/http.dart' as http;
import 'dart:convert';



 

class HotelTab extends StatelessWidget {
  here is the future
  Future getHotelData async() {
    var url = "www.facebook.com";
    var response = await http.get(url);
    var responsebody = jsonDecode(response.body);
    return `responsebody`;
  }
 
  @override
  Widget build(BuildContext context) {
    // ignore: todo
    // TODO: implement build
    return Container

thanks