You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you today?

USER: Can you please help me in booking my flight ticket from DEN to LAS?

ASSISTANT: Sure, I will help you. Please help me with your planned travelling dates.

USER: Thank you and my travelling dates are from 09/15 to 09/17.

ASSISTANT: Please help me with your name.

USER: Myself Amanda Smith.

ASSISTANT: Do you need a break in between your journey?

USER: I need a single break in between my journey.

ASSISTANT: Do you have any other preferences in your journey?

USER: Yes, I would like to prefer economy class.

ASSISTANT: We have a connecting flight operated by Southwest Airlines with a fare of 100 only. Shall I book the flight ticket?

USER: Please book this flight ticket for me.

ASSISTANT: I have booked your ticket in the flight-1007. It departs at 2:00 hours and arrives at 21:00 hours.

USER: Thank you for your help.

ASSISTANT: Thank you for reaching us. Have a great time.