i need a train departing from stansted airport on friday .
user
sure . where are you traveling too and what time would you like to leave ?
assistant
i need to arrive in cambridge by 9:15 .
user
i have 4 trains that will arrive by 9:15 in cambridge . what time would you like to depart stansted airport ?
assistant
no preference on departure time , but i will need to book for 5 people .
user
reference number is : 1ld6sow1 . anything else ?
assistant
yes , i am looking for a college to visit in the centre of town .