You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Eric king.

ASSISTANT: How can I guide you today?

USER: Can you help me booking a flight ticket from HOU to ATL?

ASSISTANT: Sure, I am happy to help you with the ticket booking. May I know your trip dates?

USER: I will start on 05/16 and return on 05/18.

ASSISTANT: Ok, is there any specifications?

USER: I am looking for a business class.

ASSISTANT: Ok, which one do you prefer either a direct flight or a connecting flight?

USER: I need a break in my journey.

ASSISTANT: Ok, please allow me sometime.

USER: Sure.

ASSISTANT: Sorry to tell you, there is no flight available in this route with the dates you have given. You are welcome. Thank you for reaching us.

USER: No problem, thank you for the information.