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docs.chain.link...hotel.sol

//SPDX-License-Identifier: MIT 

pragma solidity ^0.8.0;

contract HotelBook{

    enum status{ vacant, occupied}
    status  currentstatus;

    address payable public owner;
    //we create a constructor which means anytime the contract is called 
    constructor() public{
        owner = msg.sender;
        currentstatus = status.vacant;
    }

    function Book()payable public {
        currentstatus = status.occupied;
        payable owner.transfer (msg.value);

    }



}