You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I planned to meet my friend in ATL, can you please help me to book a flight ticket from JFK?

ASSISTANT: On which dates you are planning to travel?

USER: I prefer to travel on Aug 15 and Aug 17.

ASSISTANT: Do you have any other requirements?

USER: I prefer to travel in a business class.

ASSISTANT: Ok, please wait a minute.

USER: I need a connecting flight.

ASSISTANT: May I know your name please?

USER: I am Jennifer Evans.

ASSISTANT: Sorry Jennifer, there is no flights available as per your request.

USER: Ok, no problem. Thank you for your information.

ASSISTANT: Most welcome.