Hello! That sounds like an exciting trip. Here are some detailed travel tips for your visit to Siem Reap, Phnom Penh, and Kampot in Cambodia.

Best Time to Visit:
The best time to visit these beautiful Cambodian cities is between November and April, during the dry season. During this period, the weather is less hot and humid.

Route and Accessibility:
You can reach Siem Reap through its international airport. You can then take direct domestic flights or buses to Phnom Penh and Kampot. All three cities are well-connected by road as well.

Accommodation and Booking:
All three cities offer a vast range of accommodations to suit different budgets, from luxury resorts to budget guesthouses. It's advisable to book in advance during the peak season.

Clothing and Essentials:
Lightweight, breathable clothing is suggested due to the tropical climate. An umbrella or raincoat may be necessary as sudden showers can occur. Don't forget your sunscreen and insect repellent.

Health and Safety:
Make sure to get travel insurance, stay hydrated, and be cautious about food and water hygiene. Although these cities are generally safe for tourists, beware of minor thefts in crowded places.

Local Etiquette and Respect:
Cambodian culture is quite conservative. It is respectful to dress modestly, particularly when visiting temples. Always remove your shoes before entering a place of worship. Locals appreciate if tourists try to learn a few basic phrases in Khmer.