You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: Can you help me to book a flight ticket from LAX to JFK?

ASSISTANT: Sure, may I know the travelling dates?

USER: Sept, 4 and Sept, 6 are my travel dates.

ASSISTANT: Please help me with your connection limit.

USER: I need connecting flight.

ASSISTANT: Do you have any other requirements?

USER: I need to return at morning time.

ASSISTANT: May I know your name?

USER: Cynthia Lee here.

ASSISTANT: Please wait a minute.

USER: Sure.

ASSISTANT: Sorry, no flights found with your preferable dates.

USER: Not a problem, thank you for the information.

ASSISTANT: Thank you for opting us.