すごく残念ですが、夏に訪問するのは諦めます。姪のパスポートはまだ時間が

すごく残念ですが、夏に訪問するのは諦めます。
姪のパスポートはまだ時間がかかりそうで、飛行機チケットを手配するのに十分な時間がありません。
もしあなたが他のゲストを迎える予定がなくて、そして都合よければまた別の機会にお伺いしたいです。
9月の連休か、年末年始か、ゴールデンウィーク、また検討して連絡します。

結果 (英語) 1:

It's very nice to visit in the summer will give up.So my niece's passport is still time-consuming, to arrange a plane ticket but not enough time.If is ready to greet the other guests you have and convenient also on another occasion to ask you.September holidays or the end of the year holidays, or Golden, also consider the contact.

結果 (英語) 2:

It is very unfortunate, but it gives up to visit in the summer.
Niece of the passport is still likely to take a long time, there is not enough time to arrange for a plane ticket.
If in you there is no plan to greet the other guests, and I want to ask you the convenience you are happy if also another opportunity.
Or September of consecutive holidays, or year-end and New Year holidays, Golden Week, also will contact you to consider.

結果 (英語) 3:

Sorry, I will give up to visit in summer.So the niece of passport still takes time, but does not have enough time to arrange a plane ticket.If you plan to greet other guests, and is convenient for another chance if I want to.In September, the year-end and New Year holidays, golden week, and examined.