Is this the right preposition?

Yes. But "if + will not" strike me odd.

samwalker"If you won't be are not available during the webinar..."

*strikes me odd.

Why? What makes 'won't' incorrect?

Because we don't normally use Future Tense at "if"-part. There are three types of Conditionals and you probably should check them.

The First Conditional makes it.The structure suggests that situation is possible to happen in the future.

If you want to quit, just let me now.
If John sells the car, I will but it. (John will sell and I will buy).

Try the

What makes 'won't' incorrect?

Oh yeah! Got it!

Sorry, my bad. I have forgotten some rules of conditionals. Thanks!

Fandorin, what about this:

Is there anyone else I can talk to regarding this if you're not going to be available during the webinar?

Anything that needs correction?

Hi guys, the scenario is a call center agent inviting customers to a webinar. The outbound representative calls a client, asks questions, informs him about the webinar and all. However, the person on the other line might not be the best person to talk to in the company or might be the best person but is not available on the day of the webinar so the agent asked for anyone who might be interested.

Hi,

<<Is there anyone else I can talk to regarding this if you're not going to be available during the webinar??>>I

This basically looks fine. I personally would word it this way though...



Is there someone who can help me regarding this if you'

samwalkerFandorin, what about this:
Is there anyone else I can talk to regarding this if you're not going to be available during the webinar?

Anything that needs correction?

Little patience, buddy. I'd say: Is there anyone else I wi