public static bool TryGetGroupName(this LuisWithFlow luisResult, out string groupName)
        {
            var found = false;

            groupName = luisResult.Entities?.GroupName?.FirstOrDefault()?.FirstOrDefault().ToString();
            return(!string.IsNullOrEmpty(groupName));
        }
        internal static bool TryGetPersonName(this LuisWithFlow luisResult, out string personName)
        {
            var found = false;

            personName = luisResult.Entities?.Persons?.FirstOrDefault();
            return(!string.IsNullOrEmpty(personName));
        }