Review the core sentences before starting the interactive session.
If we act now, we'll secure a much better price.
If you accept the terms, we'll start work immediately.
I won't be able to help if you don't provide the data.
If they don't agree to the plan, we'll need a backup.
If the weather stays clear, the event will be a success.
I'll be very disappointed if they don't show up.
If you're busy, we can easily reschedule for tomorrow.