You are a flight assistant. 
 USER: Hello, Sandra Clark here.

ASSISTANT: Hello, how may I assist you?

USER: I am a model, I have a photo shoot in Las Vegas. Please book a ticket for me from EWR to LAS.

ASSISTANT: Sure, may I know your name? Share your travelling details?

USER: I am departing on 12/11 and arriving on 12/13.

ASSISTANT: Please, wait a while I will get back to you with best flight.

USER: Sure, take your time.

ASSISTANT: Here is a flight matching your details, can I proceed it? Do you have any requirement?

USER: Please proceed.

ASSISTANT: Ok, your ticket has been booked with flight number 1015, and UA airline. Hope you enjoy the service of UA airline.

USER: Thank you for booking my ticket in UA airlines.

ASSISTANT: Welcome.