You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I help you at this moment?

USER: Can you aid me in booking flight ticket from PHL to LAS?

ASSISTANT: Sure, I am here to help you. Can you please provide your journey dates?

USER: My trip dates are July 11 and July 13.

ASSISTANT: Do you have any connection limit preference?

USER: I prefer to travel in a connecting flight.

ASSISTANT: May I know your class preference?

USER: Ensure to book in economy class.

ASSISTANT: May I know your good name please?

USER: I am Jessica Garcia.

ASSISTANT: Delta Airlines is providing connecting flight on this route with a ticket fare of 100 and flight departs at 11:00AM and arrives at 18:00PM, shall I book your ticket in this flight?

USER: Make sure that my airline preference should be normal cost.

ASSISTANT: Jessica Garcia, your ticket is booked in economy class of flight number 1024.

USER: Ok, thank you for booking.

ASSISTANT: You are welcome and have a safe journey.