i am trying to plan a trip there . i need to find a cheap restaurant .
user
would you like chinese or asian ? charlie chan serves chinese and is on the cheap side .
assistant
no , i would like an italian place in the centre .
user
there are three: pizza hut city centre , ask , and zizzi cambridge . would you like to make a reservation at any of these ?
assistant
ask sounds good . what s the postcode ?