i need a train leaving after 11:00 on wednesday if you can help me .
user
certainly . where would you like to go ?
assistant
i need to go from cambridge to london liverpool street .
user
i have tr4604 leaving at 11:59 and arriving at 13:27 . would you like to make reservations ?
assistant
yes please make a booking for 1 people .
user
i was able to book you for train tr4604 . the total fee is 16.6 gbp . the reference number is : ig31yh6p .
assistant
i need to find a place to stay .
user
okay what is your price range ?
assistant
i would prefer a guesthouse in the cheap price range . thanks