You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you?

USER: I want the flight ticket from NY-EWR to NV-LAS.Can you please help me out?

ASSISTANT: May I know your trip dates?

USER: The trip is of 2 days, from 03/12 to 03/14.

ASSISTANT: Can you please mention me your name?

USER: My name is Dennis Roberts.

ASSISTANT: Here is a flight with number 1000 and Delta airlines matches with your details.

USER: Please book the ticket.

ASSISTANT: Ok, your ticket has been booked.

USER: Thank you for your help.

ASSISTANT: Thank you for reaching us.Have a safe journey.

USER: Welcome.