You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: Could you please help me in flight ticket booking process from ATL to IAD?

ASSISTANT: Can I know your travelling dates to search for the flight?

USER: Thank you for your response, I want to take off on Dec 24 and book my return ticket also on Dec 26.

ASSISTANT: May I know your connection limit?

USER: I need 1 break in between my journey.

ASSISTANT: Do you have any requirements?

USER: I want to travel in business class flight.

ASSISTANT: Can I have your name?

USER: Sure, my name is Lisa Adams.

ASSISTANT: Sorry to say, no flight is available for you as per your requests.

USER: It's ok no problem. Thank you for your information.

ASSISTANT: Thank you for reaching us.