Note: please ask agent before you pay money $; otherwise, you will lose much money if you met a "bad agent" 2 }9 |2 s6 b, w2 t + g/ r$ s: f& i. L4 r5 \1 E: I" lOK, Air canada usually charge $200 for cancallation penalty - D, T" B& ?/ {( R5 ?: S ) ?7 x- M$ E9 h e+ HInfo from: http://www.flygreatchina.com