Ensure page closure after use for all pages so that unnecessary pages are not loaded.

GoogleMessages.cs

@@ -58,6 +58,7 @@ public static class GoogleMessages
         string messageText = await messageElement.InnerTextAsync();
 
         await originalPage.BringToFrontAsync();
+        await msgPage.CloseAsync();
         return messageText;
     }
 }

Program.cs

@@ -54,6 +54,7 @@ try
 catch (Exception ex)
 {
     Console.WriteLine($"Error during login: {ex.Message}\nAssuming already logged in, proceeding with booking...");
+    await page.CloseAsync();
     return;
 }
 
@@ -98,6 +99,7 @@ catch (PlaywrightException)
 {
     Console.WriteLine($"{DateTime.Now:HH:mm:ss}: Could not find the specified end time slot: {endTime}");
     await page.ScreenshotAsync(new PageScreenshotOptions { Path = "ErrorScreenshot.png" });
+    await page.CloseAsync();
     return;
 }
 
@@ -118,10 +120,16 @@ var bmlOtp = await GoogleMessages.GetBMLOTP(context, page);
 if (bmlOtp is not null)
     Console.WriteLine($"Extracted BML OTP: {bmlOtp}");
 else
+{
+    await page.CloseAsync();
     return;
+}
+
 await page.Locator("input[name='otpValue']").FillAsync(bmlOtp);
 await page.GetByRole(AriaRole.Button, new() { Name = "CONFIRM" }).ClickAsync();
 await Task.Delay(15000);
 
 var hdcMessage = await GoogleMessages.GetMessageFromHDC(context, page);
 Console.WriteLine($"Message from HDC: {hdcMessage}");
+
+await page.CloseAsync();