Create a detailed travel itinerary in HTML format

Travel Itinerary: Nanjing to Changchun

 Travel Itinerary: Nanjing to Changchun
 Dates: ${startDate} to ${endDate}
 Budget: ${budget} RMB

 Day 1: Arrival in Changchun
 Flight: ${flightDetails}
 Hotel: ${hotelName} - Located in city center, comfortable and affordable
 Weather: ${weatherForecast}
 Packing Tips: ${packingRecommendations}

 Day 2: Exploring Changchun
 Attractions: ${attraction1} (Ticket: ${ticketPrice1}, Open: ${openTime1})
 Lunch: Try local cuisine at ${restaurant1}
 Afternoon: Visit ${attraction2} (Ticket: ${ticketPrice2}, Open: ${openTime2})
 Dinner: Enjoy a meal at ${restaurant2}
 Transportation: ${transportDetails}

 Day 5: Departure
 Return Flight: ${returnFlightDetails}