You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I aid you?

USER: I need you to book a flight ticket from ATL to HOU.

ASSISTANT: Sure, can you please share your travel dates?

USER: My planned travel dates are October 29 and 31.

ASSISTANT: Do you have any connection limit?

USER: I need a connecting flight.

ASSISTANT: Do you have any other requirements?

USER: I prefer to fly in a business class.

ASSISTANT: May I know your name to proceed further?

USER: My name is Karen Hernandez.

ASSISTANT: Sorry, there are no flights in this route as per your travelling details.

USER: That's ok. Thank you.

ASSISTANT: Thank you for choosing us.