You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I aid you now?

USER: Can you please help me to book a ticket from JFK to LGA?

ASSISTANT: Sure, may I know your journey dates please?

USER: My travelling dates will be on Aug 16 to Aug 18.

ASSISTANT: May I know your connection limit?

USER: I need a connecting flight.

ASSISTANT: Do you have any class preference?

USER: No.

ASSISTANT: Do you have any more specifications?

USER: I would prefer a normal-cost airlines.

ASSISTANT: Provide me your name for documentation purpose.

USER: Jack Wright here.

ASSISTANT: Sorry, no flights were found on your desired routes.

USER: Ok, not an issue. Thank you.

ASSISTANT: Thank you for opting us.