Task-oriented dialogue about: train

I'm .looking for a train departing from stevenage.
I'd love to help! where's your destination?
I need to go to Cambridge on Friday.
I have 10 different trains that day from Stevenage to Cambridge. What time would you like to leave?
I want to leave sometime after 13:30.
Ok, I have TR7785 that leaves Friday at 13:54. Would you like me to book it?
Yes, please, for 3 people.
Booking was successful, the total fee is 38.4 GBP payable at the station. Reference number is : JPLBE5HV .
Thanks! Have a good day.
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