Task-oriented dialogue about: restaurant

I am looking for a restaurant in the south.
We have nine. Do you have a preference as to cuisine or price range?
I am looking for one that serves Portuguese food and is cheap.
I found one. It is called Nandos. Would you like for me to book it for you?
Yes please. We would like a table for 2 at 18:00 on Saturday.
I am sorry this restaurant is booked would you like to try a different place?
No thank you,I will call again.
Have a nice day.