Could I get a doggy bag?

Could I get a beer?
ビールをもらえますか？

Could I get a doggy bag?
持ち帰り袋を頂けますか？

Could I get a glass of water please?
お水を一杯いただけますか？

Could I get a wake-up call tomorrow at seven?
明日、朝7時にモーニングコールをしていただけますか？

Could I get by, please?
通していただけますか？

Sorry, could I just get past?

Could I get your number?

Could I get your email address?