Are the conversations correct?

Hi teachers,
Useful Information: Mrs. Anderson is talking with her friend Mrs. Emily on the phone.
A: Sorry Emily, I have to hang you up because it is 8:30 and Robert hasn't gotten up yet. I’m going upstairs to wake him up right now.
B: What a surprise! Ok, by dear.

Useful Information: It’s 9:15 am. Robert is at the bus stop. He is having a cell-phone conversation with Kate.
A: Kate, has the boss arrived at work?
B: No, he hasn't arrived yet.
A: That's very good because I'm getting on the bus now. I overslept again.

Thanks in advance.