Bonjour,
vendeur: Hello welcome to our shop
client : hi
vendeur: can i help you with something ?
client: yes please, im looking for a long coat for this winter
vendeur: okay, i can help you with that, so which color would you like ?
client : umm let's see , i want either white or black
vendeur : Perfect, i can show you these two in white and this one in black
client: okay, i think im gonna go with the black one
vendeur : great choice, it's gonna be 33$
client: okay
vendeur: here is your bag, have a good day
client: thank you, you too bye!
vendeur: goodbye!
voila j'espère que ça te sera utile :)