You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, How may I help you today?

USER: Please book a ticket from Oakland, CA-OAK to Denver, CO-DEN.

ASSISTANT: Sure, Do you prefer any halt in between your journey?

USER: I need halt in between journey.

ASSISTANT: On what name, do I need to reserve your ticket?

USER: My name is Rebecca Hill.

ASSISTANT: May I know when you have planned to travel?

USER: Travelling dates are from 06/11 to 06/13.

ASSISTANT: Ok, please wait a moment, let me search a flight for you.

USER: Sure.

ASSISTANT: Thanks for your precious time. We found Southwest airline fare of 100. Shall I proceed for booking with single stopover flight?

USER: Please book a flight.

ASSISTANT: Your ticket has been confirmed with airline number 1025.

USER: Thanks.

ASSISTANT: Thank you for reaching us.