i need a friday train , to arrive by 19:30 .
user
there are many trains ! where are you coming from ?
assistant
i am heading to broxbourne from cambridge .
user
is there a certain time you would like to leave ?
assistant
no , i just know that i need to arrive by 19:30 .
user
tr2436 will arrive in broxbourne at 19:01 . would you like me to book a ticket for you ?
assistant
yes please for 4 people
user
i have you booked on train tr2436 for 4 people , your reference number is ugrozaq1 . 71.59 is payable at the station , can i help with anything else ?
assistant
yes , i am looking for an expensive restaurant to dine at earlier the same day .