A:Hello!Is that
B:Yes,this is.
A:Can you come to my birthday party on Friday evening?
B:Yes,I'd love to.
A:The party is starting at my house.Please get there by 6 o'clock.
B:OK.Thanks for your invitation.I will buy a great gift for you.See you!
A:See you!
呃……如果想要难一点的可以追问!