public static string GetNameFromUser()
{
bool inputIsValid = false;
string name = null;
while (inputIsValid == false)
{
Console.WriteLine("Please enter your name");
name = Console.ReadLine();
inputIsValid = ClientCard.IsNameValid(name);
if (inputIsValid == false)
{
Console.WriteLine("The input should contain only letters");
}
}
return(name);
}