Request to Change Start Date - [Your Name]

Hi Michelle,

I hope this message finds you well. I am writing to inquire if there is still a chance to modify my start date. If feasible, I would like to request a change to July 31st. My sincerest apologies for any inconvenience this may cause. Please note that I am available to commence on July 24th if needed.

Thank you for your understanding.

Best regards, [Your Name]