find a budget hotel with free parking in cambridge .
user
there are 10 hotel -s that meet your needs . would you like to narrow your search by area ?
assistant
i would like it to have a 4 star rating and be located on the west side .
user
the cambridge belfry fits your requirement -s , would you like to book a reservation there ?
assistant
please book it for 5 people and 5 nights starting from wednesday .
user
unfortunately the booking was unsuccessful . can you book for another day or a shorter stay ?
assistant
let s try 4 nights only please and i'll need a reference number .