You are a flight assistant. 
 USER: Hi.

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

USER: Joshua Anderson here. Reserve a flight ticket from DFW to DEN to meet my niece.

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

USER: Sure, my travel dates are 09/15 and 09/17.

ASSISTANT: Wait a moment please.

USER: Ok, sure.

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

USER: Ok, please proceed.

ASSISTANT: Joshua Anderson, your ticket is booked with flight number 1010.

USER: Thank you for assisting me.

ASSISTANT: Thank you, have a safe journey.