**Here are some examples of using the word «assure»:**
1. I want to assure you that we will do our best to meet the deadline.
2. The doctor assured me that my condition is not serious and I will recover soon.
3. She assured me that she would keep my secret and I could trust her.
4. He assured us that he had experience in this field and could complete the project on time.
5. I need to assure you that your payment will be processed as soon as possible.
6. The teacher assured the students that they would have enough time to finish the exam.
7. He assured me that he would not forget my birthday and would prepare a special gift.
8. The insurance company assured me that they would cover all expenses in case of an accident.
9. She assured us that she would be there for us in any situation and we could count on her.
10. The manager assured us that our concerns would be addressed and resolved as soon as possible.