private string AskForNumberOfTickets()
{
string numberOfTicketsMessage = "Ile ma być biletów?";
if (ticketCounter.NoTicketsOrdered())
{
numberOfTicketsMessage += " Jednorazowo można wybrać maksymalnie 9 biletów jednego typu.";
}
window.AddTextToConversation(speaker.EmployeeSpeak(numberOfTicketsMessage, ""));
NumberOfTicketsQuestion numberOfTicketsQuestion = new NumberOfTicketsQuestion();
return(numberOfTicketsQuestion.GetAnswer());
}