dialogue: Beth: Ciao! How r u?
  Will: Mornin'. Fine. U?
  Beth: Good. About tonight, I have some supplementary work to do and I don't know what time I'll get out of the office 
  Will: Hm ok. Do you want to meet regardless?
  Beth: I'd like to, but I really have no idea when I'm gonna finish work. I don't want to keep you waiting...
  Will: Okey. Let's do it this way: u let me know around 7:00 how it's going and we decide. OK?
  Beth: Perfect! Thx!
  Will: For what?
  Beth: 4 being comprehensive. 
  Will: My pleasure :)
summary: Beth has a lot of work tonight and will inform Will around 7 if she can meet him.