How can I express gratitude and appreciation in revising this sentence? 
[Memo]
I would like to express my gratitude and appreciation for the invitation tonight, but unfortunately, I am not feeling up to it.
user
{"source": "evol_instruct", "kind": "synthetic", "evolved_from": null}
How can I express gratitude and appreciation in revising this sentence? 
[Memo]
I would like to express my gratitude and appreciation for the invitation tonight, but unfortunately, I am not feeling up to it.
user
DUMMY RESPONSE
assistant