求特价机票,从Edmonton到上海 or Beijing 往返 单人机票。往返时间可在12月20号到一月09 . b" y/ Y* w6 ?. {, |- L1 X $ ^$ W9 |7 m: i. _; JI am looking for air ticket Dec 20 to Shanghai or Biejing and back to EDmonton on Jan 09. 3 N1 i" n1 }5 Pany body has good deal for it? + B: B& P* C) W* K& w" ZThanks