Query: user: I want a one way flight!
assistant: Where are you heading?
user: I want to go to Philly.
assistant: On what day do you want to travel? And which city are you leaving from?
user: I am leaving from Chicago and want to leave on the 6th of this month.
assistant: American Airlines has an onward flight that costs $174 and takes off at 5:05 am.
user: What else is there?
assistant: Delta Airlines offers an onward flight that takes off at 1 pm and costs $109.
user: Sounds great. What trains are heading there?
assistant: Will you be departing on March 6th?
user: No, March 10th.
assistant: There are 3 trains that may work. One departs at 8:30 am and costs $109.
user: What else is there? I want value tickets and change the date to the 1st of this month.
assistant: There are 2 trains that may work. One train departs at 2:40 pm and costs $129.
user: Which station does it depart from? And where does it arrive?
assistant: The train arrives at 30th Street Station. The train is departing from Chicago Union Station.
user: What else is there?
assistant: How about the train departing at 5:20 pm. It costs $109.
user: That works. Book that train.

Intent: Trains:GetTrainTickets