You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: William Mitchell here.

ASSISTANT: How can I help you?

USER: I need to reach Atlanta to participate in drawing competition so please help me with flight ticket booking.

ASSISTANT: Sure, can you please tell your travelling dates?

USER: Sure, my departure will be on 09/30 and return will be on 10/02.

ASSISTANT: Can you please tell your travelling locations?

USER: Sure, I would like to depart from IAH and return from ATL.

ASSISTANT: Well, for your destination there is a direct flight available. Shall I proceed with it?

USER: But I need connection 1, please check with that.

ASSISTANT: Ok, let me check for it.

USER: Thank you.

ASSISTANT: Sorry, there is no flight available with your requirements.

USER: It's ok fine, no issues now. Anyway, thank you for your time.

ASSISTANT: Thank you and have a nice day.

USER: Most welcome.