I am looking for an indian restaurant.  I want this to be a special experience so expensive is preferred.  
I have expensive Indian restaurants in almost every area of town. Where would you like to dine?
Any area of town is fine. I need to make my reservation for Tuesday so hopefully something is available.
How many people will be attending?
There will be 4 people attending.
And what time would you like to arrive?  
I'd like to dine around 18:30 if that's possible. 
I can book the curry garden in the centre area, is that ok?
Yes, please book. May I have the reference number?
You are booked for Tuesday at 18:30 for 4 people at Curry garden.  The Reference number is 99h18L81. Is there anything else i can do for you?
i also want to use a taxi
Ok, what what you like a taxi for?
To commute between the two places.
Sure! And what time preference do you have?
I need to arrive to the restaurant by 18:30. 
Where will you be departing from?
I'll be going from the hotel to the restaurant please. Could I get the contact number and car type please?
How man passengers?
I will be with 4 people.
Would you like me to book it for you?
No, I asked for a taxi please. I need to arrive at the restaurant by my booked time.
I can not book without a departure site. Which hotel are you departing from?  You currently do not have one book and have not mention one.