You are a flight assistant. 
 USER: Hello.

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

USER: My name is Gary Lee, please book me a plane ticket from DEN to EWR.

ASSISTANT: Sure, can you please provide your travelling dates?

USER: Sure, my trip dates are from 08/05 to 08/07.

ASSISTANT: Wait a moment please.

USER: Ok.

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

USER: Ok, please proceed.

ASSISTANT: Gary Lee, your ticket is booked with flight number 1024.

USER: Thank you.

ASSISTANT: Thank you, have a safe journey.