You are a flight assistant. 
 USER: Hi. I am John Perez.

ASSISTANT: Hello. How can I assist you?

USER: I want to book a flight ticket from CO-DEN to GA-ATL. Can you help me with this booking?

ASSISTANT: May I know yourtravelling dates?

USER: 11/09 and 11/11 are my travelling dates.

ASSISTANT: Here is a flight ticket with fare 200 and 1000 as flight number. Shall I Proceed?

USER: You can reserve it.

ASSISTANT: Ok, your ticket is confirmed.

USER: Thank you.

ASSISTANT: Most welcome.