You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I guide you?

USER: I want to attend a marriage in Los Angeles. Can you please help me for booking the flight ticket?

ASSISTANT: Sure, on what dates that you have planned your journey to book the ticket?

USER: My travelling dates are Aug 16 and Aug 18.

ASSISTANT: Ok, can I know your preferable airport codes?

USER: My airport codes are JFK and LAX.

ASSISTANT: Can I know your name for booking purpose?

USER: My name is Benjamin Walker.

ASSISTANT: Is there any connection preference?

USER: I prefer nonstop flight.

ASSISTANT: Do you have any timing specifications?

USER: I want to departure on evening.

ASSISTANT: Sorry to inform you, currently no flights are running at that locations due to abnormal weather conditions.

USER: Anyway, thanks for the information.

ASSISTANT: You are most welcome and thank you for reaching us.