I would like a mexican restaurant in west. 
Unfortunately there are no mexican restaurants in the west. Would you look to try a different area?
Ok can we try to find a expensive Singaporean restaurant in the east?
I'm so sorry, there is nothing like that either.
Ok. What about Chinese?
I have yu garden located in the east and is expensive. Would you like to make reservations?
Yes that would be fine I need reservation sfor 5 people at 16:45 on saturday. 
Okay the booking was successful. The reference number is RQLJFIDQ.
I am also looking for a train leaving Cambridge arriving by 13:45 at standsted airport. 
The train on Friday leaves at 9:40 from Cambridge to Stansted Airport.  It's a 28 minute trip at 10.10 pounds. Would you like me to book this?
Not at this time. But thank you for the informtion.
Glad I could help and goodbye 
Can you please find a train that leaves on Sunday from Cabridge and goes to stansted airport.
I have one that leaves at 12:40 and arrives at 13:08 on Sunday. Would like me to book this?
That would be great! Can you book 5 tickets on the 13:08 arrival train please? And then I'll need the reference number
Sure. It will cost you 40.4 GPB. Your reference number is WB1JNS4M.
Thank you very much. That's it now. Bye
Let us know if you need help anytime soon. Have a great day.