You don't seem that surprised.  That's what you expected to get. You waited until you knew she'd be out.
I guess she's running late.
It's 9:00. It's Gracie. I can't come to the phone, so please leave a message.
It's 9:00. It's Gracie. I can't come to the phone, so please leave a message. [SEP] I guess she's running late. [SEP] You don't seem that surprised.  That's what you expected to get. You waited until you knew she'd be out.