Phrases Asking for Help Politely

I'd appreciate it if you could give me a hand.

Meaning

Polite request for help.

Translation language

John: 'I'd appreciate it if you could give me a hand with this presentation.'<br>
Alice: 'No problem.'
John: 'Happy to help.'
Alice: 'I'd appreciate it if you could give me a hand with these files.'<br>