Enhance booking time management by adding configurable time slots and improve sync workflow error handling

config/constants.py

@@ -12,4 +12,20 @@ DEFAULT_HEADERS = {
     'user-agent': 'Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:140.0) Gecko/20100101 Firefox/140.0',
     'accept': 'application/vnd.api+json',
     'accept-encoding': 'plain'
-}
+}
+
+# Booking time slots (in order of priority)
+BOOKING_TIMES = [
+    {
+        'start': '14:00:00',
+        'end': '19:00:00'
+    },
+    {
+        'start': '09:00:00',
+        'end': '13:00:00'
+    },
+    {
+        'start': '20:00:00',
+        'end': '23:45:00'
+    },
+]