You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you today?

USER: Can you please help me to book a ticket from PHL to LAS?

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

USER: My travelling dates will be on Jan 24 to Jan 26.

ASSISTANT: Please let me know with your name.

USER: Justin Perez here.

ASSISTANT: Do you need a direct or connecting flight?

USER: I need a connecting flight.

ASSISTANT: Please help me with your preferred class to fly.

USER: I would prefer economy class.

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

USER: No.

ASSISTANT: We have a economy class connecting flight operated by American Airlines with a fare of 100. Is it ok for you?

USER: You can proceed.

ASSISTANT: I have booked your ticket in flight-1015. It departs at 3 AM and arrives at 9 AM.

USER: Thank you.

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