[解析]
W:Good morning,room reservations.Can I help you?
M:Yes,my name is Peter.I have made a reservation for a single room from June 18th to June 21st,I'd like to make some changes.The reservation should only be to June 20th.
W:A single room from June 18th to 20th.Is that correct?
M:Yes.
W:Okay.Do you need a pickup service?
M:That's exactly what I want.How much does it charge?
W:¥180 for one way.We have a counter at the airport where our representative will lead you to the car.
M:It sounds good.I'll take that.
W:Thank you,sir.We look forward to serving you.