A: Hi charles, I want you know that i finally found an apartment in HaiDian
B: You did ? that is great!
A: Yeah, I am having a party this saturday night, a sort of house warming, and i want to invite you. are you busy?
B: No i am free, i will be there, what time the thing starting ?
A: Around seven.
B: Ok, great, should i bring anything?
A: No, but thanks for offering , actually could you bring some fold-up chairs for people if you have any? I am afraid not everyone's going to have a seat, do you have any?
B: sure, I will be happy to bring a few, what is the address?
A: Don't worry, I will come to pick you up at about 6:30.
B: Got it.
