On usage

Generally it is customary to say You're welcome, or My pleasure (British). Under most circumstances, saying Thank you would sound odd.

Hi,You can say "Thank YOU" in response if you stress you in order to mention that you are the person who should appreciate.You can use other phrases as well, such as :you're welcome, sure, any time, do not mention it, etc.Cheers,Iman

Anonymous Alternative, more casual responses (in the US) are:"Don't mention it."In the following, use a sort of rising inflection in your voice:"Right on.""Okay." "You're on.""Yeah.""Right."

True, but I like to use (and hear) You're welcome.
Don't mention it is fine too.
I don't like it when I say Thank you to

There are also plenty of situations in which Thank you requires no response at all.

kunhi monCan I say Thank you in response to Thank you

That is occasionally appropriate. It is customary on televised interviews for the interviewer to say "Thank you" at the end of the interview. The response from the person interviewed is quite often also "Thank you", presumably to thank the interviewer for the honor of being interviewed.

I don't t

This is an interesting point that Imantaghavi brought up. Generally speaking, you don't say "thank you" in response to "thank you," but there are certain situations where you might hear this, like, for example, when people like bellhops, caddies, and parking attendants get generous tips:

A parking attendant pulls up with the car of a person waiting at the entrance of a restaurant. The

AnonymousStrictly speaking, however, there should be four statements here:Car owner: "Thank you."Attendant: "You're welcome."(Car owner hands the attendant a $100 tip.)Attendant: "Thank YOU."Person: "Don't mention it."

That would be most unnatural.

'and thank YOU' would work if you had both done each other a favour of some sorts

"thank you"
"No, thank YOU"