You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I help you?

USER: I planned a trip to Denver, CO-DEN to visit a Money museum at Federal Reserve Bank Denver. Can you help me to book a connecting flight?

ASSISTANT: Please provide your trip dates.

USER: I want to fly on 03/03 and recur on 03/05.

ASSISTANT: May I know from which place you want to book your ticket?

USER: Please book the ticket from Atlanta, GA - ATL.

ASSISTANT: Please hold on for a while.

USER: Ok, take your time.

ASSISTANT: May I know your name?

USER: I am John Robinson.

ASSISTANT: Sorry John, no flight is available on your route.

USER: Ok, no issues. Thanks for the information.

ASSISTANT: Thank you for reaching us.