OK, well I sent my partner my translation and he edited it a bit. This is how it turned out -_-. It would be a big help if someone could point out any errors or problems.
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New line = alternate speaker.
Oiツ… Oi! Darren-san, chotto matte kudasai! Hisashiburi desu ne
nn? aa! john-san da. Konnichiwa hontoni hisashiburi desu
Watashi wa kinou Hawaii ni kaerimashita. Natsu yasumi no aida ni ikimashita.
Hmm.. Sou desu ka? Dou da ta?
honolulu no hoteru de ni shu ni tomashita. sono hoteru wa, waikiki toiu hama
wa chikaku no de, boku wa tanoshimashita. umi wa totemo kirei deshita. Darren-san wa?
Soo desu ka. Boku wa Hong Kong e ikimashita to kaloon shima ni hoteru ni tomashita. Tomodachi to monk kok e kaimono o shimashita. Hai, omiage desu.
doumo, dakedo watashi wa omiage ga arimasen. beeru o ogori wa dou omoimasu?
Beeru wa kirai desu.
Jaa, kimi wa nani ga hoshii
Omiage.
sono mono ga arimasen. jya, doyoubi ni kaimono ni ikimashou. hoshii mono ga areba, watashi wa kaimasu. dou omoimasu?
Jaa, doyoubi ni kimi to boku wa kaimono ni ikimasu. Boku wa nani ga hoshii kimi ga zetai kaitimasu, doona ikurai demo.
mata hakuchuumu o shimasu
Nani ga ita
Betsu ni
jya, doyoubi ni juu-ichi jikan
han de itsu no bashou de aimasu
wakarimashita
Jaa ne
Bai bai