Task-oriented dialogue about: train

I'm looking for a train going to cambridge please.
the train id is TR5219 and it leaves london kings on friday
Does that depart from broxbourne station?
Sorry. I need to narrow down the 133 trains from Broxbourne to Cambridge. First, what day do you want to leave?
I want to leave on sunday
Is there a certain time of day you would like to travel?
I would prefer to leave after 13:45 please
Alright, I have train TR4813 that leaves Sunday at 14:32 from Broxbourne. Will this work better for you?
Yes as long as it is going to cambridge that sounds fine. I'll need the price also please.
The price is 14.32 pounds per person.
Thank you, I will buy a ticket for 14.32 pounds for train TR4813 leaving Sunday at 14:32.
Your booking was successful, the total fee is 14.32 GBP payable at the station. Your reference number is 4YAT8PVP .
Thank you so much, have a wonderful day.
thanks for inquiring with us. have a nice day
I will do so... and you too.
I'm glad I could help you. Goodbye.