Claro, te ayudaré a completar las conversaciones telefónicas utilizando los mensajes proporcionados en la imagen. Aquí tienes las respuestas:

1. **A:** Is Silvia Vega there, please?
**B:** No, she isn’t. Would you like to leave a message?
**A:** Yes, please. This is Karen Landers calling from Toronto. Could you tell her that my flight arrives at 7 P.M. on Tuesday?
**B:** OK, I’ll give her the message.

2. **A:** Can I speak to Mark, please?
**B:** I’m afraid he’s not here. Do you want to leave a message?
**A:** Yes, please. This is Ed. Please tell him that Ed called this morning. Could he borrow your scanner? If he can, when can he pick it up?
**B:** Sure, I’ll leave him the message.

3. **A:** Could I speak to Mike, please?
**B:** I’m sorry, but he’s not here right now.
**A:** Oh, OK. This is Mr. Maxwell. I’d like to leave a message. Could you tell him that Mr. Maxwell called yesterday? The meeting is on Thursday at 10:30 A.M. Don’t forget to bring your report.
**B:** I’ll let him know.

4. **A:** I’d like to speak to Katy, please.
**B:** She’s not here right now. Can I take a message?
**A:** Yeah. This is Andy Chow. Can you tell her that Andy Chow called earlier? Are you going to the conference tomorrow? What time does it start?
**B:** OK, I’ll give Katy your message.