You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Christopher Thomas from New York.

ASSISTANT: How can I assist you at this moment?

USER: Please book a flight ticket to LAS from EWR with a connecting flight.

ASSISTANT: Sure, I will help you with this. Could you please provide your journey dates?

USER: My journey dates are July 28 and July 30.

ASSISTANT: Do you have any specifications for this trip?

USER: Make sure to check a flight with in a price limit of 5000.

ASSISTANT: UA airlines with connecting flight is available on this route with a ticket fare of 100, shall I book your ticket?

USER: Ok, proceed with my booking.

ASSISTANT: Christopher Thomas, your ticket is booked in flight number 1015.

USER: Thank you for your service.

ASSISTANT: Thank you and have a safe journey.