yes , please help me book a train on saturday .
user
we have a large amount of trains that day , is there a specific location ?
assistant
i want to go from london liverpool street to cambridge .
user
what time would you like to leave ?
assistant
i want to leave after 08:45 please
user
the first train to london liverpool street is at 09:39 and arrives at 11:07 in cambridge . does this time work for you ? or would you like later ?
assistant
oh sorry , i wanted a train on friday , not saturday . anything after 08:45 from london liverpool street . to cambridge .
user
i am sorry . there is no train leaving from london live to cambridge on friday by 8:45 . would you like to try a different day or time ?
assistant
what are the available options
user
i apologize for the earlier confusion , we do have trains leaving every 2 hour -s starting at 09:39 until 01:07am . which time works for you ?
assistant
tell me the arrival time of the 09:39 train please