1. We hope to receive your favor at an early date.
2. We hope to be favored with a reply with the least delay.
3. We await good news with patience.
4. We hope to receive a favorable reply per return mail.
5. We await the pleasure of receiving a favorable reply at an early date.
6. We await the favor of your early (prompt) reply.
7. A prompt reply would greatly oblige us.
8. We trust you will favor us with an early (prompt) reply.
9. We trust that you will reply us immediately.
10. We should be obliged by your early (prompt) reply.
11. Will you please reply without delay what your wishes are in this matter?
12. Will you kindly inform us immediately what you wish us to do?
13. We request you to inform us of your decision by return of post.
14. We are awaiting (anxious to receive) your early reply.
15. We thank you for the anticipated favor of your early reply.
16. We should appreciate an early reply.
17. We thank you in anticipation of your usual courteous prompt attention.
18. We thank you now for the courtesy of your early attention.
19. We hope to receive your reply with the least possible delay.
20. Kindly reply at your earliest convenience.
21. Please send your reply by the earliest delivery.
22. Please send your reply by messenger.
23. Please reply immediately.
24. Please favor us with your reply as early as possible.
25. Please write to us by tonight's mail, without fail.
26. May we remind you that we are still awaiting your early reply.
27. May we request the favor of your early reply?
28. A prompt reply would help us greatly.
29. A prompt reply will greatly oblige us.
30. Your prompt reply would be greatly appreciated.
31. Your prompt attention to this matter would be greatly esteemed.
32. We look forward to receiving your early reply.
33. We thank you now for this anticipated courtesy.
34. As the matter is urgent, an early reply will oblige.
35. We reply on receiving your reply by return of post.
I am very much pleased to inform you that....
With great delight I learn that...
I was glad to receive your letter of..
In reply to your letter of 31October, I...
I am writing to ask about the meeting to be held next week.
Your kind letter of Sunday arrived this morning.
Thank you very much for your prompt reply.
Many thanks for your last kind letter.
I wish to extend my appreciation for your kind offer.
I am very excited and delighted over your good news.
I am very much oblighted to you for your warm congratulations.
Your letter which arrived this morning gave me grate delight, as you know... First of all I must thank you for your kindness to me and for your compliments
I hope to hear from you soon.
Your kind early reply will be highly appreciated.
I look forward to our next meeting here in Beijing.
Thanks for your sincere cooperation with us.
I wish you every success in the coming year.
Thank you again for your kind consideration of my…
If you want more information, please feel free to write to me again.
If there is anything we can do for you, please don't hesitate to contact me. With best regards to your family.
With love and wishes.
Wish you the best of health and success.