Task-oriented dialogue about: train

I am looking for a train that will depart on Sunday and arrive by 18:00.
I have found the listings for the Sunday departures. What is your destination? Would you like me to book a trip?
I am going to Cambridge from Leicester. And, yes, please book it for me.
For how many tickets?
7 please
Your booking was successful. Train ID is TR1079. Total fee is 211.67 GBP. Reference number is YFF7DKYH . Anything else I can help with today?
thank you!
I'm glad I could help. Is there anything else?
That's all, thank you !
Excellent. Have a great day!
Okay, you too. Thanks again.
You're welcome. Good-bye.