Как понять, сколько газа осталось в баллоне на 50 литров?
assistant: can i help you?
customer: yes,i'm looking for a blue jumper.
assistant: what size are you? (e.g. large? small? medium? 14? 16? )
customer: where's the changing room?
assistant: it's down there on the right.
customer: yes, i'll take this one.excuse me. where will l pay for these?
assistant: over at the cash desk.
customer: and can i pay by credit card?
assistant: of course.
customer: thank you.goodbye!
assistant: you are welcome!