i need a train on friday , arriving by 12:15 .
user
i can assist you with that . where are you travelling to and from ?
assistant
i am going from cambridge to the stansted airport .
user
the tr5998 leaves cambridge at 10:40 and arrives stansted airport at 12:08 . it s price is 10.10 pounds . there are earlier trains if you wish .
assistant
that 1 sounds fine . can you book it for 3 people ? i will need the reference number too .