Urgent babysitting for a few hours this Saturday afternoon

Hi there, I’m looking for a reliable and friendly babysitter for occasional short-term care. I need someone to supervise two children (ages 4 and 7) for a few hours this Saturday while I attend a prior commitment. Responsibilities include preparing snacks, ensuring dinner is started on time, light tidy-up after play, and keeping the kids engaged with activities. We’d prefer someone experienced with under-7s, comfortable with basic first aid, and able to arrive promptly at the scheduled start time. Please mention any relevant certifications and a couple of references. We’re located in central London and can provide a small payment for travel if needed.