Dentist: Good morning, Sir \Madam, Can I help you?
Sir\Madam: I have got a terrible toothache!
Dentist: Ok , Open your mouth!
Sir\Madam: Just a moment (Is opening his\her mouth)
Dentist: Oh, I see this tooth is very bad, it is necessary to fill it. Unfortunately I've not enough time you have to make an appointment with a doctor next week.
Sir\Madam : Oh, but I can't. I;m flying to Canada next week
Dentist: Well..... I'll write out a prescription for pills you should go to a chemist's and buy them
Sir\Madam: ok, Thank you, Good-bye
Dentist: Good-bye