Y: Hello. I'd like to change my reservation for March 19. My name is Mary Chang.

Y:哈锣，我想更改预订在3月19日来住的房间。我叫张玛丽。

X: Ah, yes, Miss Chang.What seems to be the problem?

X:哦，张小姐。有什么问题吗?

Y: Well, I'd like to change the date to March 20, and make that for two singles, not one.

Y:我想把3月19日改为3月20日，并且要两间单人房，而不是一间。

X: Very well. That can be arranged.

X:没问题，这件事就交给我办好了。