I am looking for a restaurant that sell seafood,will prefer one in the center of the city.
I'm sorry, there seems to be an error. Can you please restate your request?
I would like a train into Cambridge from Stevenage.
Is there a specific day and time you would like to travel at?
Yes, I'd like to travel on Wednesday. I'll need to arrive by 8:00. 
The TR9448 arrives at 06:43. Would you like me to book a ticket for you?
Yes, please book 7 seats.
All set. You are booked for 7 people on TR9448. You reference number is B1Q6DDTE. Can I help with anything else?
Yes, I need a hotel as well.
ok for how many people and when are you planning your stay?
Whoa whoa, easy there tiger, Lets narrow the search down first.  In the center, 0 stars, cheap and it can be a hotel or guesthouse.   
How about el shaddai? Fits your request perfectly.
Is El Shaddai a guest house or hotel?
El Shaddai is a guesthouse. Anything other questions about them? 
Do they have parking?
Yes, they have free parking. Would you like me to book you a room?
No, I don't need to. I was just curious about it. Thank you for all of your help.
Okay, is there anything else I can help you with?
Yes I need a chinese restaurant. 
ok what location?
It should be in the same area?
i only have one option can i book it for you?
No, I don't need a chinese restaurant after all. Thanks for looking.
OK. Is there anything else I can help you with today?
No. That's everything I needed and then some, actually! Thanks, take care!
Thank you for calling.  Have a great day!