Помогите по англискому языку

нужно написать диалог:
— Can I help you?
—Yes, please. I'd like those trousers.
—What colore?
—Brown.
—How much are they?
—They're £15.
—Ok ill take them.
—£15 here you are.
— Thank you.

can i help you-могу ли я вам помочь