"客户说他们现在没有明确的订单, 如果有了订单再联系你."英语怎么说?

Clients said they do not have a specific order, if they got the order,they will contact you

The customers informed that they have no clear orders now.They will contact you if they have orders.

Kindly be advised by client that they didn't receive the orders yet.Once get the order, they will contact with you.

Customers say that they do not have specific orders ,and if the they have, they will re-contact you.