a)

Next, please. - Następny, proszę.

Where to? - Gdzie?

Single or return? - W jedną czy obie strony?

Return to Barbican, please. - Poproszę w obie strony do Barbican.

That's £6.00. - To kosztuje 6 funtów.

Which line do I take, please? - Którą linią powinienem pojechać?

You're welcome. - Nie ma za co.

b)

Next, please. - a ticket seller

Where to? - a ticket seller

Single or return? - a ticket seller

Return to Barbican, please. - a passenger

That's £6.00. - a ticket seller

Which line do I take, please? - a passenger

You're welcome. - a ticket seller

Person A wants to go to St James's Park and person B wants to go to Barbican.