MARTIN: Hello,Liu Ming .Er~Ah~ I've been offered a ticket to the Backstreet Boys concert. LIU: Wow! That's great! When is it ? MARTIN: It's tomorrow and I'm so sorry but there's only one ticket. LIU: Oh, I see. Did you try to get a ticket for me ? MARTIN: Yes, I did, but there were none left. LIU: So you want to change our plan for Saturdy, do you?