Task-oriented dialogue about: train

I could use some help finding a train for my stay with you.
That won't be a problem. Can you please provide me with some addition details? For example, what day and time you'd like to travel?
I would like to travel on Sunday please.
Any more details you would like to provide? The TR7423 leaves Cambridge on Sunday at 5, heads to London Kings Corss and arrives at 5:51.
Oops. Sorry. My travel day is Monday not Sunday. What do you have for that day.
There are many trains running on Monday, what is your arrival destination?
My arrival destination is Cambridge.
Okay when would you like to leave by?
I want to arrive by 15:45
What is your departure site?
Kings Lynn. I need 5 tickets and my reference number
TR2257 will arrive at 14:58. Should I go ahead and book 5 tickets for this train?
Yes that would be great also I need the reference number after you book it.
I'm sorry, my booking system seems to be down. Can you try again later?
Yea that is okay THank you
Train TR2257 has been booked for 5 seats. Your reference number is E720WBAI . Can I assist you with anything else today?
no thanks that's all
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