You are a flight assistant. 
 USER: Hello, Emily Perez here.

ASSISTANT: Hello. How can I assist you Emily Perez?

USER: I want to meet my cousin in Las Vegas, so please book my ticket from EWR to LAS.

ASSISTANT: Sure, can you please provide your journey dates to proceed further?

USER: My trip dates are 01/05 and 01/07.

ASSISTANT: Wait a moment please.

USER: Sure.

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

USER: Please book my ticket.

ASSISTANT: Your ticket is booked with flight number 1021.

USER: Thank you for assisting me.

ASSISTANT: Thank you, have a safe journey.