i need a train leaving cambridge on sunday .
user
we have quite a few options available to you , where are you heading to ?
assistant
i need to arrive by 21:30 and go to london liverpool street .
user
tr9732 departs cambridge at 19:59 and arrives london liverpool street by 21:27 . would you like for me to book that ?
assistant
yes , for 6 people , please . i will need a reference number , as well .
user
i have completed the booking . the total fee is 79.67 gbp and your reference number is 58ynz8eq .
assistant
i also need a place to stay . i would like a hotel with a 3 star rating and free parking .