public string DeleteAirTicket(string flightNumber)
{
AirTicket ticket = new AirTicket(null, null, default(DateTime), 0, flightNumber, null);
string result = this.DeleteTicket(ticket);
if (result.Contains("deleted"))
{
this.airTicketsCount--;
}
return result;
}
public string AddAirTicket(string flightNumber, string from, string to, string airline, DateTime dateAndTime, decimal price)
{
AirTicket ticket = new AirTicket(from, to, dateAndTime, price, flightNumber, airline);
string result = this.AddTicket(ticket);
if (result.Contains("added"))
{
this.airTicketsCount++;
}
return result;
}