Task-oriented dialogue about: train

I am looking for a train that departs cambridge after 21:00 on Thursday.
What is your destination that you would like to go to?
I'm heading to Stansted Airport, I need to book for 2 people and can I please get a reference number?
Sure thing. The reference number is WRAD7NNO . Can I assist with anything else?
No that will be all . Thank you.
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