You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: I want to attend a Marriage in New York. Can you please help me for booking the flight ticket?

ASSISTANT: Sure, I am here to help you. May I know your journey dates?

USER: My travelling dates are Sep 06 and Sep 08.

ASSISTANT: Can you please share your airport codes?

USER: My airport codes are DCA and LGA.

ASSISTANT: Do you have any connection limit?

USER: I prefer single connecting flight.

ASSISTANT: May I know your name?

USER: My name is Lisa Lee.

ASSISTANT: Do you have any specifications?

USER: Sorry, I want to travel in direct flight. I want to return on morning.

ASSISTANT: Sorry, there are no flights found on your travel dates.

USER: Anyway, thanks for the information.

ASSISTANT: Thank you for reaching us.