void call_input(char time_of_call[])
{
    char yes_or_no[4] = "no";
    cin >> time_of_call;
    time_of_call[sizeof(time_of_call) - 1] = '\0';
    while(yes_or_no[0] != 'y' && yes_or_no[1] != 'e' && yes_or_no[2] !='s') {
        cout << "\nYour time was " << time_of_call
             << "\nIs this correct > ";
        cin >> yes_or_no;
        yes_or_no[sizeof(yes_or_no) -1] = '\0';
        if(yes_or_no[0] != 'y' && yes_or_no[1] !='e' && yes_or_no[2] !='s') {
            cout << "Enter the time again > ";
            cin >> time_of_call;
            time_of_call[sizeof(time_of_call) - 1] = '\0';
        }
    }
    return;
}