can some one help me Write a 'script of a conversation between you and your parents in which you ask their
permission to go on the trip and also ask them to help you raise the £1000 payment
required'.
Your directions here seem very clear:
https://www.jiskha.com/questions/1830357/1-charities-nowadays-are-using-a-new-type-of-fundraising-idea-they-plan-an-attractive
While no one here will write your assignments for you, someone may be able to read it over and critique it for you if you post it.