Tony: i will be late tomorrow
Tony: perhaps i will have to stay longer at work
Lisa: why?
Tony: we are finishing huge project
Lisa: so maybe we will meet another day?
Tony: no, just give me some time if i will be later than 7
Lisa: ok, so let's meet at 8, you will be on time and i will not be waiting for you
Tony: ok
Tony and Lisa were supposed to meet tomorrow at 7, but he will have to stay longer at work due to a project he's finishing. They decide to meet at 8.