很高兴收到你的回复和对我们的支持与理解.

I am very glad to recieve your reply and I appreciate your understanding and support.
Please don't worry.As soon as the products arrive,we will send them to you along with a small gift.Thank you for your patience.

We are really glad to have received your reply and thank you for your support and understanding.
Please be assured that once we receive the goods, we will send them to you at once and meanwhile there will be a small gift attached so please be patient and wait for them.

Very pleased to receive your response and for their support and understanding.
Do not worry, but a shipment has arrived, and we will promptly shipped to you, and sent a small gift, so I ask you for your patience.