Pick up and deliver a phone that was left in a cab

Hi there, My friends phone was left in a cab on the way to the airport last week (drama I know). We've managed to locate the phone which is at the cab rank near Hamstead. I'm looking for someone to pick the phone up from the cab rank and return to our office in Shoreditch by tomorrow morning. It can be left in reception. Thanks a million if you can do this! Eddie