When he expressed his gratitude, I replied, 'No, thank you.'

Thanks for helping me with the party yesterday.

Yesterday's party was fun, thank you very much.

Thank you very much for this wonderful gift.

Thank you so much for your help.

Thank you very much, without your help, I wouldn't have been able to complete this project.

I am deeply grateful for your help.

Thank you very much, your help was really useful.

Thank you for cooking for me.

He may say he's a doctor, but he's actually a veterinarian.