Let's repeat the phrases Hi, this is Jane May I speak with john smith? Is jondor I'm calling about I'm returning your call. One moment please. Hang on a sec. He's not here. Would you like to leave a message?

Could you ask him to call me back? Thanks for calling. Good job. Let's go to the next Bart, you call your friend and then his mother picks up the phone. So you want to formally say that you want to speak with john, what do you say? May I speak with john?

You miss the call, and then you want to say that you're calling back for that reason. So what do you say? I'm returning your call. You're speaking on the phone, and then you want to ask the person to wait in a very informal way. So what do you say? Hang on a sec, which means Hang on a second.