You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. May I know your name?

USER: My name is Jonathan Lewis.

ASSISTANT: How can I help you Jonathan?

USER: I would like to book a ticket to Atlanta, to watch a live event conducted by A.R rahman.

ASSISTANT: That's nice.

USER: Can you please help in booking my ticket?

ASSISTANT: Sure, I can help you with booking your ticket. Can you please provide the airport codes along with your preferable dates?

USER: I would like to travel from PHX to ATL. My travel dates are 03/20 and 03/22.

ASSISTANT: Ok, please hold on for a moment.

USER: Sure.

ASSISTANT: Thanks for waiting. I'm sorry, there is no flight available for you on your requested dates.

USER: Its ok, thank you for checking.

ASSISTANT: Thank you for reaching us.