i need a train to broxbourne .
user
there are many trains available . will you be traveling on a certain day or at a specific time ?
assistant
i'll need to travel on sunday , from cambridge to broxbourne , and i would like to arrive by 10:15 please .
user
tr4249 leaves at 06:01 and arrives at 07:01 giving you plenty of time . can i book that for you ?
assistant
yes please . i need to book it for 7 people . can i please get the reference number after it s booked ?