pragma solidity ^0.4.23;

import "./two.sol";

contract One{

    string name;

    constructor() public{

    }

    Two two;

    function getNameFromOtherContract() public returns(string) {
        name = two.getName();
        return name;
    }
}

pragma solidity ^0.4.23;

contract Two{

    constructor() public{
    }

    function getName() external pure returns (string name) {
        name = "Amel";
    }
}