You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Justin Williams here.

ASSISTANT: How may I help you today?

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

ASSISTANT: Sure, can you provide your travel dates?

USER: My travelling dates are 12/24 and 12/26.

ASSISTANT: May I know your airport codes?

USER: My airport codes are LGA and LAX.

ASSISTANT: Do you need a connecting flight?

USER: Yes, I need single connecting flight. I want to return on morning.

ASSISTANT: Ok. Is there any other requirements?

USER: No.

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

USER: Anyway, thanks for the information.

ASSISTANT: Thank you for choosing us.