I need to get a train out of cambridge.
Your looking at the trainID of TR5767 or TR2000 depending on your time
The train should go to stansted airport and should arrive by 21:30.
What day of the week are you looking at traveling?
I would like to leave on Tuesday.
these three could help trainID	departure	destination	day	leaveAt	arriveBy	price	duration	book
(optional)
TR1656	cambridge	stansted airport	tuesday	05:40	06:08	10.10 pounds	28 minutes	
TR1951	cambridge	stansted airport	tuesday	06:40	07:08	10.10 pounds	28 minutes	
TR0684	cambridge	stansted airport	tuesday	07:40	08:08	10.10 pounds	28 minutes
thank you for your help. book for me 5 seats and get me the reference numberes
I'm sorry, could you confirm which train you wanted to book seats on? There were 3 choices given to you.
Whichever train goes to stansted airport Tuesday from cabridge arriving closest to 21:30.
Booking was successful, the total fee is 50.5 GBP payable at the station. Reference number is : GMYBPE6F.
Thanks for that. I don't need anything more today.
ok. enjoy your day.