I wish to terminate the telephone service from I-cable due to relocate to Canada after the expired date on 25th November 2016.?

I wish to terminate the telephone service from I-cable after the expired date on 25th November 2016 due to emigration to Canada.
emigrate (from, to) --to leave one's own country in order to go and live in another (=Canada)

I wish to terminate the telephone service from I-cable after the EXPIRATION date on 25th November 2016 due to RELOCATION to Canada.

你的指示to terminate是聯繫合約的"expirion date"會邏輯上比較放便對方理解，至於"由於"你般離這地方作為取消的理由只是附加的資料。

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