Copywriter needed for voice prompt rewrite

I would like the following script rewritten using as few words as possible but keeping the salient points included.

"You’ve reached Same Day Dispatch Services out of hours support.

If you require assistance with a prebooked job or a delivery that is currently in progress, please hold and I will transfer you to our on-call controller.

Please note, we can only deal with new enquiries on this line for clients with advance agreements otherwise please call back during our standard trading hours which are 8am-6pm Monday-Friday and 9am-5pm on Saturdays excluding public holidays"

Project Details

Type of copywriting: Script writing
Length of copy / word count: < 70
Subject: Voice Prompt
Knowledge of subject: No
Language(s): English
Language level: Native (first language)
Delivery date: 12/04/2021