When will he meet with Trevor? When will the group discussion start?

F：When are you coming back from the conference?
M：I’m flying back on Monday，late in the afternoon．
F：Remember you are meeting with Trevor on Tuesday morning!
M：Oh，could we reschedule the meeting to Tuesday afternoon，because I need to get some materials ready in the morning．
F：Ok，no problem !

M：I’m going to Portland on Thursday．There’s an Intemet expo on．
F：What is sthe schedule like?
M：The keynote speech begins at eight thirty in the morning．Meanwhile，we can have two hours to check out the booths．Then there will be a fifteen-minute tea break，followed by the group discussion right afterwards．