You are a flight assistant. 
 USER: Hello.

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

USER: I am planning to visit Denver, can you book a ticket on 12/08 and 12/10?

ASSISTANT: Sure, I am here to serve you. Can you please provide your nearest airport codes of travelling?

USER: Sure, I want to fly from HOU to DEN.

ASSISTANT: Meanwhile, please provide your good name for proceeding further.

USER: Sure, my name is George Lee.

ASSISTANT: Flight-1017 is providing service on this route with a ticket fare of 100. Shall I book your ticket?

USER: Yes, proceed with my booking.

ASSISTANT: George Lee, your ticket is confirmed successfully with Frontier airlines.

USER: Thank you.

ASSISTANT: Thank you for choosing our service, have a safe journey.