i want to leave for cambridge by train on wednesday .
user
okay , where are you departing from ?
assistant
i'll be coming from london kings cross
user
when do you want to leave london kings cross ?
assistant
i will leave on wednesday
user
how about tr5725 that leaves at 05:17 ?
assistant
that will work . will you please book it for 5 people ?
user
it is booked and your reference number is ekdnfgb7 . is there anything else ?
assistant
that is all i needed . thanks !