Domains: restaurant, train

user: I need a train on Friday from the london liverpool street station.

assistant: There are 10 trains leaving that station on Friday. What time would you like to travel?

user: The train should leave after 17:15 and should go to Cambridge.

assistant: There are 4 trains that leave after 17:15. The TR9886 leaves at 17:39 from london liverpool street. Would you like me to book you a seat?

user: What is the arrival time?

assistant: That train arrives at 19:07.

user: Okay I would like to book it. I'm also looking for a restaurant on the cheap side in centre.

assistant: I found 15 restaurants, do you have a preference of food choice?

user: I really don't- it just needs to fit 8 people at 20:00 on Friday.

assistant: I'm unable to find an opening that fits your needs. Would you like to choose a different time or day?

user: How about for 19:00 that day? And can I have the reference number please?

assistant: Booking was successful for charlie chan's for Friday at 19:00. The table will be reserved for 15 minutes. The reference number is POUAEXHL . Do you need further help with anything?

user: Thank you that should be it, thank you for your help.

assistant: Thank you for using our system!