YOU SAID:

can i have a single ticket to paris please

INTO JAPANESE

私は、パリへの片道切符をくださいことができます

BACK INTO ENGLISH

I, you can see a one-way ticket to Paris

INTO JAPANESE

私は、あなたがパリへの片道切符を見ることができます

BACK INTO ENGLISH

I, you can see a one-way ticket to Paris