You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: Can you please book the ticket from ORD to OAK? As I need to visit Oakland hills.

ASSISTANT: Sure, please share your planned travel dates?

USER: Sure, I would like to depart from my source location on 9th Nov and I want to return back by 11th Nov.

ASSISTANT: Do you have any connection limit?

USER: I prefer single connected flight.

ASSISTANT: Any other preferences?

USER: I don't have any other specifications.

ASSISTANT: Can I have your name please?

USER: My name is Linda Lopez.

ASSISTANT: Hawaiian airlines direct flight 1012 available with fare of 100, shall I confirm this economy class flight?

USER: That's fine for me, you can proceed for booking.

ASSISTANT: Ok, your ticket has been processed.

USER: Thank you so much for your help.

ASSISTANT: Thank you for opting us.