You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you today?

USER: I am planning to book a ticket from JFK to LAX. Can you please help me out?

ASSISTANT: Sure, may I know your travelling dates?

USER: I am planning to travel on Mar 16 and return back on Mar 18.

ASSISTANT: Do you have any connection limit?

USER: I am looking for a connecting flight.

ASSISTANT: Any other requirements to be met?

USER: I am looking for a business class.

ASSISTANT: May I know your good name?

USER: My name is Jason Thompson.

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

USER: That's fine, thank you for your service.

ASSISTANT: Thank you for reaching us.