"please use state indicate the booking number as payment reference" in German Please use/state/indicate the booking number as payment reference. Geben Sie bitte die Buchungsnummer als Zahlungszweck an. Detailed translations for "please use state indicate the booking number as payment reference" Please use/state/indicate the booking number as payment reference. Please use/state/indicate the booking number as payment reference. Geben Sie bitte die Buchungsnummer als Zahlungszweck an.