You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: Can you please help me in booking a flight ticket from LAX to LGA?

ASSISTANT: May I know your desired travel dates please?

USER: Sure, my travel dates are from Jan 14 to Jan 16.

ASSISTANT: May I know your connection limit please?

USER: I need a direct flight.

ASSISTANT: Sorry to say, there is no flight on your desired travel dates.

USER: Ok, no problem. Thank you fro the information.

ASSISTANT: May I know your name please?

USER: Catherine Collins here.

ASSISTANT: Thank you for opting us.