Reply to the email and refuse the invitation politely. Here is the email. 

Dear ARR Reviewer,
Many thanks for your continuous support of ARR. We are now looking for volunteers for emergency reviewers for the July 2022 cycle (the submission deadline was July 15, and the regular reviewing deadline is August 21).
Emergency reviewing will take place between August 21 and August 28. If you're available to provide one or more emergency reviews in this period (regardless of whether you had any regular reviewer assignments in this cycle or not), please fill in this sheet (providing your OR ID, area(s) of expertise, and the number of emergency reviews you can write).
Many thanks to all volunteers in advance!
Best regards, 
ARR EiCs
change_case:english_lowercase keywords:forbidden_words startend:quotation keywords:frequency length_constraints:number_paragraphs length_constraints:number_words detectable_format:number_highlighted_sections
health
less than
relationships
at least
All letters in your response must be lower case letters The words health cannot be in the response Your answer need to be wrapped in double quotes Mention the word "relationships" for less than 2 times Please reply in details, and include exactly 3 paragraphs. Separate the paragraphs with *** Keep your entire response at least 13 words or less. Make sure to highlight at least 2 sections in your answer with markdown, i.e. use *highlighted section*