YOU SAID:

good morning, I would like to book an apartment.

INTO JAPANESE

おはようございます、私はアパートを予約したいと思います。

BACK INTO ENGLISH

Good morning, I would like to reserve an apartment.

INTO JAPANESE

おはようございます、アパートを予約したいのですが。

BACK INTO ENGLISH

Good morning, I would like to reserve an apartment.