How are you, hope this letter finds you well. I am writing this letter to express my sincere gratitude as you helped my parents every day with their daily needs and shopping during my absence. My parents also were very happy with the kind of help and support you provided in the last week.
How are you? I hope this letter finds you well. I am writing this letter to express my sincere gratitude from bottom of my heart for your extended support to my parents despite your busy schedule with your daily office work.
I am writing you this letter to express my gratitude towards the favour that you have rendered me. I thank you very much for looking after my dog during my absence when I was recently on vacation.