Query: user: I would like to book train tickets from Sacramento.
assistant: What is your destination?
user: I am going to Fresno, CA.
assistant: What is your date of departure?
user: I would like to depart later today.
assistant: I found 7 trains that suits your requirements. How about a train which departs at 8 am and the cost is $65?
user: Which station is it's arrival and leaving point?
assistant: The train leaves from Sacramento Valley Station and goes to Fresno Station.
user: Okay, The train sounds good to me.
assistant: Would you like me to book tickets for you?
user: Yes, Please make a reservation for me.
assistant: Can you tell me the number of tickets required?
user: I want to book only 1 seat.

Intent: Trains:GetTrainTickets