You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Sarah Robinson here.

ASSISTANT: How may I assist you now?

USER: I want to attend my family function . Can you book my ticket from OAK - ORD?

ASSISTANT: Sure, I will help you with that. Can you please provide your preferable dates of travelling?

USER: My travelling dates are Dec 12-14.

ASSISTANT: Is there any other specifications do you have?

USER: Make sure that, my return time should be in evening with economy class. I want 1 halt in between my journey.

ASSISTANT: I have found a flight in economy class with a ticket fare of 100 and there is a 1 halt in between your journey, can I confirm your flight ticket booking?

USER: Yes, you can proceed with that booking.

ASSISTANT: Ok, your ticket has been confirmed in flight number 1003.

USER: Thank you, for your quick response.

ASSISTANT: Thank you for reaching us, hope you have a great journey.