hamasaki ayumi no konsaato chiketto ga hoshii desu kedo, shichigatsu nijuusan nichi, kokuritsu yoyogi kyougijou no desu.
may work. Yeah it is really long. Or you can print it out on a piece of paper in kanji and show it? ^^
浜崎あゆみのコンサートチケットがほしいですけど、七月二十三日、国立代々木競技場のです。
Oh, I wrote it for 23rd Jul, since the shows this year are on 23rd and 24th only.
