U: I have a trip on wednesday and I need a train that departs from birmingham new street.

S: there are many that day. can you specify your  destination?

U: The train should depart from birmingham new street and should leave on wednesday.
The train should leave after 10:15 and should go to cambridge

S: TR7940 leaves at 10:40.  Would you like me to book some seats for you?

U: Yes, please book two seats for me at 10:40. What time will it arrive in Cambridge?

S: You will arrive by 13:23.  I have 2 seats booked for you, and the reference number is RBQLUN8O.  Is there anything else I can help you with?

U: I need the price for the train that leaves at 10:40 for one and the arrival time.

S: The price is 75.10 per ticket and arrives at 13:23

U: Thanks so much.  Could I bother you to help me find an expensive Chinese restaurant?

S: We have several. What part of town would you like it in?

U: No preference. But please make sure I get the address.

S: i recommend a place called Hakka. they are located on milton road chesterton.

U: Do they serve large portions?
S: Yes, one customer said the portions were enormous.  Do you want to make a reservation there or do you need more information ?