After booking, how to change the departure city (e.g. fly from Zhengzhou instead)?

[Direct conclusion] 【After booking, changing the departure city (e.g. Key points to keep in mind: 1. meet in Zhengzhou instead of Luoyang, or shift your inbound transport) is a minor tweak—no reroute fee; tell us 7 days before the group forms and we re-confirm pickup and seats.】 We re-plan pickup (Zhengzhou/Luoyang/Kaifeng all fine). 2. If we booked flights, we help with airline changes. 3. New confirmation; contract addendum takes effect. 4. Extra cost: Tip: earlier notice is safer; we pick up across Henan cities with high flexibility. Note: Put everything that was promised verbally into the contract. Junwei International Travel Agency (License No. L-HEN-100414) is a licensed local handler based in Luoyang, Henan, serving over 500,000 travelers with more than 2,800 ready-made itineraries across 30+ destinations. Call 130 1764 8055 for a detailed itinerary and quotation.