Dialog in a restaurant----------Please help me with the translation

Dialog in the restaurant
Joan and Oscar are going to a restaurant 
Oscar: - This restaurant is very good, do you want to eat something? (O do you want to have something to eat) 
Joan: - Yes, is it expensive?
Oscar: - No, it is very cheap. I always eat here 
Joan:  Great! Because I do not have a lot of money.
Oscar: - Don't worry, I invited you (quieres decir te invité? Te invito suena extraño en inglés).
Camarero: - Good day, are you going to have lunch? 
Oscar: - Yes 
Camarero: - Here is the menu.
Oscar: - Thank you very much, what do you recommend (to us)?
Camarero: - The meals (o plates) of the day are: Ravioli with cream, Portuguese chicken and pork ribs.
Oscar: - ¿What is the Portuguese chicken?
Camarero: - It is chicken with tomato, peppers, onion and fires/chips or a potato purée (que rico!).
Joan:- Great, I want a salad with tomato, carrot, hard-boiled egg and ham please.
Oscar: - And for mi, the portugese chicken with the potato purée.
Camarero:- Very good, and to drink?
Oscar: - Are we going to drink wine? (Vamos a tomar vino?) 
Joan: - No, I prefer water
Oscar: - Ok, then a glass of house wine and a mineral water.
Camarero:- Red or white wine?
Oscar: - Red 
Camarero: - Sparkling water or still water?
Joan: - Still water 
Camarero:- Anything for desert? (Cualquier cosa para postre) 
Documento preparado por la profesora F. Lathière
Oscar: - Yes, for me flan (custard) with cream 
Joan: - I want a pancake with lots of dulce de leche.
Oscar: - Do you drink coffee? I am going to order a (cortado? - disculpe no sé, no tomo café ;)).
Joan:- Two cortados, please
Camarero: - With sugar or sweetener?
Oscar: - With sugar 
Joan:- For me sweetener.
Joan: - It is very late. an we get the bill? 
Oscar: - Ok waiter, the bill, please. 
Camarero: Here. 25.50 euros
Joan: - ¿Do you take card? 
Oscar: - Yes. I always leave a tip