A question about cricket volunteering if u hav done some?

well there is this U13 girls cricket training session, and i want to go and help out with it but im not sure if im allowed bcoz im 16 i have got a young leaders award in cricket but i dunno if theyl just say no because i dont go to the club but it is local to me ( i dont go to the club bcoz the have no over 16 teams) so what do u think shall i ask them or will they be like wtf why u want to come and help i want to help bcoz for my a-level cw i have to help out with training sessions, if i do ask them how should i say it over the phone bcoz there is no email adress