Ответ:

A.David speaking

B.Hello it's Mark Johnson

A.How can I help you Mr Johnson?

B.I'd like to speak to Sara Torres,please.

A.I'm afraid she's not here at the moment.

B.Can I leave a message?

A.yes,of course.

B.Can you ask her call to me back?

A.No problem.

B.my number is 0276765356

A.Can you repeat that ,please?

B.0276765356

A.OK.Thanks for calling

B.bye.