public IActionResult GetPath(string destinationCode)
        {
            var startCode = "USA";

            destinationCode = destinationCode.ToUpper();

            if (_countryRepository.CheckIfCountryExists(destinationCode))
            {
                var path = _countryRepository.FindPath(startCode, destinationCode);

                var result = new
                {
                    destination = destinationCode,
                    list        = path
                };

                return(Ok(result));
            }

            return(BadRequest($"Can't find country code {destinationCode}"));
        }