When does the last flight arrive at Cleveland? How many people are going to be present at the party?

F: Hello, Daven Port Travel Agency. Can I help you?
M: Yes, I am calling to ask when the last flight from Detroit to Cleveland departs?
F: At 10:30 pm.
M: And when does it arrive at Cleveland?
F: At 11:30.
M: Thank you very much.
F: You are welcome.

F: Hello. James, this is Flora from the Public Relations Department. I want to have a word with you about the anniversary celebration this evening. How many people are going to be present at the patty?
M: We have invited about 150 guests and up to now about 120 said they would come. Then we have 40 staff from our own company to attend the party.
F: I see. Thank you, James.