You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you today?

USER: Can you please help me in booking my flight ticket from PHX to ATL?

ASSISTANT: Sure, please share your planned travel dates?

USER: My travelling dates are Feb 06 and 08.

ASSISTANT: Do you have any connection limit?

USER: I need connecting flight.

ASSISTANT: Any other preferences?

USER: I prefer business class ticket.

ASSISTANT: Can I have your name please?

USER: Myself William Williams.

ASSISTANT: Sorry, no flights found with your given details.

USER: Thanks for your information.

ASSISTANT: Thank you for opting us.