Use the words in brackets to report these formal sentences as if you were talking.
1. Should you require any further information, please do not hesitate to contact me.
I told them that it they needed more information, they were welcome to get in touch with me.
2. Should payment not be immediately forthcoming, further action may well be taken against you.
They told me that if the pay were not immediately forthcoming, I could be taken to court.
3. Should you find our products available cheaper elsewhere, we would be happy to reimburse you the difference in cost.
They say in their publicity that found their products cheaper somewhere else, they would pay me back the difference.