どうもありがとう。[doh-mo a-ri'gatou] Means "thanks very much" or "thanks a lot." To use a more formal version, one may opt for ありがとうございます。 [arigato-go-za-ee-mas]. For parting remarks, one can use the past tense that implies "thanks for everything (just now)" ありがとうございました。[a-ri'gato-go-za-ee-mah-shta].