booking a room

Hello, i'm calling to find out whether you have any free rooms in the period between July 21st and July 29th.

Have you got any vacancies from July 21st and July 29th?

I'd like to book a double room from July 21st to July 29th.

I'd like to book a double room for the period between July 21st and July 29th.

Które jest niepoprawne a które poprawne?

wszystkie sa ok

w zdaniu 1 - 'I' piszemy zawsze duza litera. Zdania ok.

Dzięki za szybką odpowiedź :)