You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I assist you?

USER: I want to book a flight ticket from LAX to JFK, can you help me with that?

ASSISTANT: Sure, may I know your planned travel dates please?

USER: My trip dates are 05/14 and 05/16.

ASSISTANT: Do you have any class preference?

USER: No.

ASSISTANT: Would you like to travel in a connecting flight or a direct flight?

USER: I need a single connection flight.

ASSISTANT: Do you have any other specifications?

USER: No.

ASSISTANT: May I know your good name please?

USER: I am Amy King.

ASSISTANT: Sorry, there is no flight available on your requested dates.

USER: That's ok. Thank you for your service.

ASSISTANT: Thank you for reaching us.