You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you now?

USER: My name is Frank Collins. I need your help in booking a flight ticket from ATL on 08/27. Can you help me out?

ASSISTANT: Sure, I will help you. Can you please provide me your destination and return date?

USER: Sure, my return journey is from EWR on 08/29.

ASSISTANT: Please give me a moment.

USER: Ok.

ASSISTANT: Thank you for waiting. Sorry Frank, no flight is available to you.

USER: It's ok.

ASSISTANT: Thank you for choosing us.

USER: Thank you for your support.

ASSISTANT: You are welcome, have a good day.