i am looking for information in cambridge
user
okay ! what would you like to know ?
assistant
first , i need a cheap guesthouse in the centre . it should have free wifi .
user
yes i have 21 is rated 4 stars and the other has a 0 star rating . which do you prefer ?
assistant
i would prefer the 4 star rated 1 . i need to book it for 2 people for 4 nights starting friday .
user
okay . your booking at the alexander bed and breakfast was successful . your reference number is 7il8sajv .
assistant
great thank you
user
can i help you with anything else ?
assistant
yes i need a train that leaves on monday going to birmingham new street .
user
there are trains every hour to birmingham new street . it takes 163 minutes . what time would you like to travel ?
assistant
i need to depart from cambridge , leaving after 20:30