What does Cambridge offer so far as expensive, German restaurants?
There's no restaurants meeting your criteria. Would you like to change anything parameters? 
Oh really? I was hoping to eat expensive German cuisine in the northern part of town.
Would you like to search for something else?
Is there any asian oriental restaurants in the north area?
Yes, there is one called Saigon City. Would you like more information?
I would like you to book it. 2 people 18:00 on Sunday. 
Okay, you're all set!  I have it booked for Sunday, 18:00, and for 2 people.  Your reference number is LR4G3953.  Is there anything else I can help with?
That is all I needed. Thank you!
You are welcome.  Are you certain I can't help with a hotel or a train for you?
Yes, actually, I'm looking for a train. I'll need to depart from Cambridge after 20:00. 
We have lots of those!  Where are you traveling to?
I am going to Ely on Sunday.
What day will you be taking the train?
i want to travel on sunday. i need to leave cambridge at 20:00. 
TR0537 leaves at 21:50 and arrives in 17 minutes. Do you want tickets for that?
I'm terrible at math. What time does that arrive?
The arrival time is 22:07.
Thank you for all your help. Have a great day.
Thank you for calling and have a great trip to Cambridge. Goodbye.