Read the dialogue. Where does it take place?

A: Good morning.
B: Good morning. How do you feel today?
A: I feel better today, but I am still off-colour. I'm sleeping badly and have a terrible headache.
B: Have you checked your temperature today?
A: Yes, my temperature is quete normal.
B: Luckily for you there is nothing seriously wrong with your health. You should have a good rest. And I'll prescribe some painkillers for your headache.

• At the chemist's
• On board a plane
• At the doctor's