You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you for the day?

USER: I want to book the flight ticket from ATL to JFK. Can you please help me?

ASSISTANT: When you are willing to travel?

USER: My travel dates are June 3 and June 4.

ASSISTANT: Do you have any connection limit?

USER: I would like to travel in business class with direct flight.

ASSISTANT: May, I know your good name?

USER: Betty Thompson.

ASSISTANT: Sorry, we found no flights on your given dates.

USER: Thank you for the information.

ASSISTANT: Thank you for reaching us.