Could you check if everything is correct, Writeacher?

1) My husband and I would like to spend the period from August ... to August .. in . We are looking for a four-star hotel on a sea front , which offers a a kids’ club as well as a playground where my five-year-old child can spend time outside.
2) I would be grateful if you could help us find a suitable accommodation.
3) A room with a double bed plus an extra bed is called three-bedded room?
What ice cream flavours do you usually choose from/are popular in America? (real question)

2 answers

#1 and 2 are fine.

Are you looking for hotel accommodations in the US or in Europe?
3) A room with a double bed plus an extra bed is called three-bedded room?
I'd phrase it like this: We would like a room with one king-sized bed and a roll-away bed for our child.

What ice cream flavours do you usually choose from/are popular in America? (real question)

There are way too many to list!! Take a look:

http://www.bluebell.com/what_were_crankin_out/our_ice_cream.html

http://www.baskinrobbins.com/content/baskinrobbins/en/products/icecream/flavors.html

http://www.coldstonecreamery.com/icecream/ice_cream.html