class Entrypoint

{
 IWebDriver driver = new ChromeDriver();
    **driver.Manage().Timeouts().ImplicitWait = TimeSpan.FromSeconds(20);**
    driver.Navigate().GoToUrl("https://r1.netrevelation.com:8443/mcba-cms/pages/flight-transfer.cab");
    driver.Manage().Window.Maximize();


    driver.FindElement(By.Id("loginlink")).Click();
    driver.FindElement(By.Id("headerSubView:inputUserName:input")).SendKeys("st001");
    driver.FindElement(By.Id("headerSubView:inputPassword:input")).SendKeys("hello321" + Keys.Enter);

    driver.FindElement(By.Id("dateOfFlight:input")).Click();**//This Step does not get Executed , it throws exception element not found.**
    driver.FindElement(By.Id("ui-datepicker-div")).Click();
    driver.FindElement(By.XPath(".//*[@id='ui-datepicker-div']/div/a[2]/span")).Click();
    driver.FindElement(By.LinkText("28")).Click();
    IWebElement Flightno = driver.FindElement(By.Id("selectedFlight:input"));
    Flightno.SendKeys("BA901" + Keys.Enter);
    IWebElement Flighttick = driver.FindElement(By.Id("flightTickImg"));


    driver.Quit();