Help me get to volunteer in England

so, after sending out countless of resumes to all different kinds of volunteer organizations for the past six months I finally found a great organization i could volunteer for, it's a youth organization in London that helps youths that grew up in a neighborhood where there was a lot of crime, the organization helps the youths by providing a safe space for them where they can be creative and get their mind off from their problems for a little while. volunteering has been my dream for the past year and a half now, and i've researched for organizations i could volunteer for the past six months, now i finally get to volunteer for my dream organization and i'm so happy, it's really a dream come true, and while i can travel to England and volunteer for a cheap and almost affordable price, i do have a lot of expenses i just can't pay on my own. and i know there's more important causes you can donate to then mine then i just need to tell you why this is so important to me and why i can't afford it. i can't afford it because i have a lot of things i need to pay for: my glasses, i need to get a influenza shot before i go so i'll have a smaller risk of getting sick while i'm away from home, i need a physical check up to make sure i'm completely well before i travel to England, my phone is defect, it keeps shutting down all my programs, i can't send messages from it, i need a functioning phone so i can let my friends and family know i'm completely okay while i'm away from home. I need a travel insurance so i know that if i get hurt while i'm away from home that i have a chance to be able to pay the medical bill, and that i'm able to get treatment if i get hurt. i also need enough money so i'm able to pay for the necessary things i will need: like food, soap, toothpaste ect. But most importantly, i need enough money that i can travel home for both for visits and if i in case of an emergency need to go home. i also can't afford my bills i have to pay for my psychology visits, i go to a psychologist because a have severe depression and anxiety, and i got denied financial support, which was a blow to take for me because i really can't afford my bills, so i can't go to the psychologist a lot and i really need to. my anxiety is so bad that i can't get a job, i can't risk of breaking down in the middle of a store because of my anxiety, and i don't want to have an anxiety attack in front of so many strangers in a store, it's not fair to me and it's not fair to them. i miss school a couple of times a week because my anxiety is so bad that i either get an anxiety attack before i leave for school or i fear i'll get one while i'm in school. i know that going to another country while i have so much anxiety and a depression is a bad idea, but it's the only thing i'm burning for right now, it's one of the few things that is giving hope, it been a dream of mine to go to England for so long, and if i actually get to do it but also help people at the same time, then that means so much to me because if i can make sure someone feels better than me and gets more support than i had when i was their age, it just makes everything so perfect and it gives me hope that not everyone has to struggle through the hard times i have been going through. i know that there are more important causes than mine, that people have much bigger struggles than mine, but i need help, and if you think I'm worth it then thank you and i truly appreciate it so much, much more than words can express.