Write a formal letter of application. You want to go to

Windsor Leisure Centre

The Manager

 Dear Sir/Madam

I will be visiting the UK in summer and would like to earn some money during my visit. Working in the UK would also give me a good chance  to improve my English in a native environment.

Therefore I would like to take the opportunity and apply for a job advertised by your Company in the Evening Mail.

I am a hard-working person, who enjoys спорт and physical activities. I also enjoy helping other people.

I hope to hear from you soon.

Nikolay Semenov