Dear Elena, Hope you are doing great and I am excited to read about all your recent news. I have received your message, asking me to help you babysit your little daughter on coming Saturday.
Dear Bella, Hope you are doing fine and enjoying the season. I am so happy that you asked me to babysit Anna for you.
Dear Margarita, Thank you for asking me to babysit for you. I must say that I relish looking after Della and would be happy to help you out.