Goodbye

Some expressions for saying goodbye: 

Passez une bonne jornée (pass ay oon bohn zhor nay) -Have a nice day 

Passez un bon week-end (pass uhn bohn week ehn) -Have a good weekend 

Passez une bonne semaine (pass ay oon bohn she mahn) -Have a good week 

Je vous souhaite une bonne journée (zhuh voo soo ate oon bohn zhoor nay) -I wish you a good day

When you are not going to see someone for a while with no definate date to meet again you would say: 

au revoir (ohr vwah) - goodbye

If you are going to see someone again at a specific time, you would say: 

À tout à l'heure (ah toot ah lure) -See you later

If you were going to see someone soon, but at an unspecific time, you would say: 

À bientôt (ah bee yehn toh) -See you soon