I am planning a weekend trip. I am planning a weekend trip.

Shinkansen (high-speed trains) fares are expensive :_( Actually I want to stay for two nights because I am going to go far away, but due to various reasons, it will only be one night. I'm a little worried because the weather forecast said it might snow. I hope I have a pleasant trip. Shinkansen (high-speed trains) fares are expensive :_( Actually I want to stay for two nights because I am going to go far away, but due to various reasons, it will only be one night. I'm a little worried because the weather forecast said it might snow. I hope I have a pleasant trip.

SHowever, shinkansen (high-speedbullet trains) fares are expensive. :_( Actually I want I'd love to stay for two nights becaussince I am going to go far away, but due to various reasons, it will only be a one night stay. I'm a little worried because the weather forecast said it might snow. I hope Ito have a pleasant trip. However, shinkansen (bullet train) fares are expensive. :_( I'd love to stay for two nights since I am going far away, but due to various reasons, it will only be a one night stay. I'm a little worried because the weather forecast said it might snow. I hope to have a pleasant trip.

「新幹線」は英語で「bullet train」と言います。 「せっかく」は英語に翻訳できない表現だと思います。その「せっかく」があるので、文には残念な気持ちが感じますね。その気持ちを伝えるために「I'd love to」を付け足したのですが、まだ物足りないと感じます。個人的には以下のように書きます。 It's not always that I go on such a far off trip, so I'd love to stay for two nights. Unfortunately, due to various reasons, it will just be a one night stay.

Shinkansen (high-speed trains) fares are expensive. :_( Actually I want to stay for two nights because I am going to go far away, but due to various reasons, it will only be one night. I'm a little worried because the weather forecast said it might snow. I hope I have a pleasant trip. Shinkansen (high-speed train) fares are expensive. :_( Actually I want to stay for two nights because I am going to go far away, but due to various reasons, it will only be one night. I'm a little worried because the weather forecast said it might snow. I hope I have a pleasant trip.

Because “high-speed train” modifies “fares,” it should be singular “train” instead of plural “trains.”

Shinkansen (high-speed trains) fares are expensive. :_( Actually, I want to stay for two nights because I am going to go far away, but, due to various reasons, it will only be for one night. I'm a little worried because the weather forecast said it might snow. I hope I have a pleasant trip. Shinkansen (high-speed trains) fares are expensive. :_( Actually, I want to stay for two nights because I am going to go far away but, due to various reasons, it will only be for one night. I'm a little worried because the weather forecast said it might snow. I hope I have a pleasant trip.