can you find me a train leaving from london liverpool street ?
user
of course ! when would you like to travel ?
assistant
i would like to leave cambridge after 18:15 on wednesday .
user
no train at that time do you want to change the time to 09:39 ?
assistant
that is fine .
user
tr2823 is leaving london liverpool street to cambridge at 19:39 , would you like me to book you passage ?
assistant
yes , please . i'll be needing tickets for 3 people .
user
i have booked 3 tickets for you at on tr2823 . the total fee will be 49.8gbp .
assistant
i also need the reference number .
user
ah , yes . your reference number is d7rn1kyw . is there anything else i can do for you ?
assistant
there is a restaurant called eraina , i would like to book a table for 3 at 21:00 ?
user
which day would you like the reservation for ?
assistant
for wednesday , please .