根据电话内容，设计一个来电信留言。
A: Hello! May I speak to Ann?
B: I'm sorry she isn't in. Who is that?
A: This is Tom speaking. Tom Green. Is that Mrs Brown?
B: Yes. I'm Ann's mother. Can I take a message?
A: That's very kind of you, Mrs Brown. I'm sorry to tell you that our teacher Miss Gao is ill in hospital.
And we want to go to the hospital to see her tomorrow.
B: I'm sorry to hear that I'll let Ann know. When are you going to the hospital;?
A: We'll meet her at 9:00 at the gate of the People's Hospital.
B: OK. I'll tell her as soon as she comes back.
A: Thanks. Good bye!
B: Bye!