U: Can you find me a train leaving from London Liverpool Street?

S: Of course! When would you like to travel?

U: I'd like to leave cambridge after 18:15 on Wednesday.

S: No train at that time do you want to change the time to 09:39?

U: That is fine.

S: TR2823 is leaving london liverpool street to cambridge at 19:39, would you like me to book you passage?

U: Yes, please. I'll be needing tickets for 3 people.

S: I have booked 3 tickets for you at on TR2823. The total fee will be 49.8GBP.

U: I also need the reference number.

S: Ah, yes. Your reference number is D7RN1KYW. Is there anything else I can do for you?

U: There is a restaurant called Eraina, I would like to book a table for 3 at 21:00?

S: Which day would you like the reservation for?

U: Is it centrally located?
S: Customers say that it's kind of in the middle of nowhere, but overall the location is really nice.  Do you want to make a reservation still?