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Thank you for your prompt reply is the most popular phrase on the web.

Thank you for your fast reply 144,000 results on the web	Thank you for your prompt reply 1164,000 results on the web More popular!
Some examples and use cases from the internet:	Some examples and use cases from the internet:
food character lore. Be advised your fast movers are inbound. Your fast begins at sunset, I believe. Your fast ball doesn't have the same pop. You're mixing up your fast And thank you for those lovely thank you notes you wrote. Thank you for agreeing to break your fast with me this morning.	As 1 July is imminent, a prompt reply would be much appreciated. Mother, I pray for your health and for your prompt recovery. Thank you for your prompt attention to this matter. And she's promised A prompt reply. I would like to thank Baroness Ashton for her prompt reply and her reassurance two weeks ago that the matter will be treated on the highest possible level in the EU. Secondly, Parliament's proposal on the matter received a prompt reply. Just this once I thank you, Mrs Bonino and Mr van den Broek, for your prompt intervention. "For your prompt and professional service,"I offer my sincere thanks.

Thank you for your fast reply

144,000 results on the web

Thank you for your prompt reply

1164,000 results on the web

More popular!

As 1 July is imminent, a prompt reply would be much appreciated.
Mother, I pray for your health and for your prompt recovery.
Thank you for your prompt attention to this matter.
And she's promised A prompt reply.
I would like to thank Baroness Ashton for her prompt reply and her reassurance two weeks ago that the matter will be treated on the highest possible level in the EU.
Secondly, Parliament's proposal on the matter received a prompt reply.
Just this once I thank you, Mrs Bonino and Mr van den Broek, for your prompt intervention.
"For your prompt and professional service,"I offer my sincere thanks.