契約に向けてもっと詳しい話が聞きたいです。
日本語の話せるサポートの方とお話がしたい。
出来ればスカイプか電話で相談出来ますか?
日本語でメール相談でも構いません。
I am interested in hearing more details toward a contract.
I would like to speak with someone from your support department who can speak Japanese.
If possible, can we discuss over the phone or Skype?
E-mail discussion in Japanese works as well.