Domains: Flights_45, Trains_15

user: Hi, could you get me three Delta Airlines one-way flight tickets from Vancouver, BC?

system: Where to and when do you plan to travel?

user: I will be travelling to Seattle on the 1st.

system: Would you like a Delta Airlines flight departing at 6:35 am with 1 layover costing $241?

user: Sounds great, but could you help me find train rides travelling there too?

system: Will you be travelling on March 1st too?

user: No, could you search for tickets departing on the 5th instead?

system: Would you like a train departing at 6:40 am costing $131?

user: Are there any alternatives?

system: How about a train departing at 7:10 am costing $151?

user: May I know which station will I depart from and arrive at?

system: You will be travelling from Pacific Central Station to King Street Station.

user: I see, are there any alternatives then?

system: How about a train departing at 3:10 pm costing $140?

user: Sounds great! Could you get me economy tickets with trip insurance then?

system: Please confirm your purchase of 3 value train tickets from Vancouver to Seattle on March 5th at 3:10 pm.

user: Sorry, could you get me economy premium tickets instead?

system: Sure, please confirm your purchase of flexible tickets to Seattle.

user: That sounds great. May I know which station will I arrive at?

system: Your reservation has been made, and you will arrive at King Street Station.

user: I see, that is all I need. Thanks!

system: See you soon, have a great day ahead.