You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you now?

USER: I would like to spend my free time at Houston Zoo with my child, please help me in booking a ticket from ATL to IAH.

ASSISTANT: Sure, I am happy to help you with that. Can I have your travel dates please?

USER: Sure, my travel dates are 03/17 and 03/19.

ASSISTANT: Ok, please wait a moment to check available flights for you.

USER: Sure, take your time.

ASSISTANT: Sorry to inform you that no flight is available to you on your dates.

USER: Ok, no problem. Thank you for your information.

ASSISTANT: Can I have your good name please for documentation purpose?

USER: Sure, my name is Amy Rodriguez.

ASSISTANT: Ok Amy, thank you for choosing us.