Hold on
The line is engage
Complete: I'm calling _____ Mr. Preston
Is Mr. Rodriguez available?
To call back
Complete: Can I ______ a message?
He's not picking up
I'm afraid that...
To phone a person later
He is not answering the phone
A formal way to apologize
The person is busy so he/she cannot answer right now
The speaker wants to know if the person is able to take the phone call.
Another way to say "a moment"
leave
for