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https://support.coros.com/hc/en-us/community/posts/30813250851860--1-866-738-0729-How-much-notice-to-cancel-a-Singapore-%F0%9D%94%B8irlines-flight-Instant-Reply-Carehttps://support.coros.com/hc/en-us/community/posts/30813250851860--1-866-738-0729-How-much-notice-to-cancel-a-Singapore-%F0%9D%94%B8irlines-flight-Instant-Reply-Care