Expressions to Thank and Their Suitable Responses

We say “thank you, thanks, and thank you very much.” to express gratitude or to thank others for help, say compliment/wishes and attention. Meanwhile, the sentence “My pleasure”, “No problem”. “No big deal.” and “You’re welcome.” are the responses.

The following are expressions to thank and their suitable responses.

Thanking Responding
Thanks. Never mind.
Thank you. You’re welcome.
Thanks a milion. Don’t mention it.
Thank you very much. My pleasure.
Thank you so much. That’s OK.
I’d like to show my gratitude. No problem.
  Tony : If the driver in front hadn't stopped so suddenly.