Examples:

• That is not possible at the moment, but don't worry.
• But don't worry, Sam is on his way to help you.
• But don't worry, you can start a whole new life.
• But don't worry, Hal has the constitution of a lizard.
• And don't worry, your secret is safe with me.
• And don't worry about it, you can still feel everything.
• But don't worry, your clothes are in the dryer.
• Emma, don't worry about Norman if he seems distracted lately.