You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: Can you help me to book a connecting flight from HOU to ATL?

ASSISTANT: Sure. Let me know your travel dates.

USER: My travelling dates are 08 and 10 of Mar.

ASSISTANT: Do you have any preference?

USER: I would like to travel in business class and airline is normal cost.

ASSISTANT: Can I know your name?

USER: I am Scott Young.

ASSISTANT: Sorry, no flights found for your travelling dates.

USER: It's ok, not a problem, thank you.

ASSISTANT: Thank you.