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The phone number for Ctrip’s customer service in China is 400-926-2222. If you’ve already cancelled your flight ticket, I recommend reaching out to them as soon as possible to inquire about the status of your refund.
Regarding airport information and check-in procedures, it depends on which airline and specific flights are involved. I suggest contacting Ctrip’s customer service directly for more detailed information tailored to your unique situation.
Additionally, you may need to re-check with the relevant airlines or flight operators regarding any updates on boarding passes, baggage claims, or other necessary travel documents.