You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, How can I help you?

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

ASSISTANT: Sure, May I know the travel dates?

USER: My travelling dates are from 05/27 to 05/29.

ASSISTANT: Please help me with your journey codes.

USER: My airport codes are from LAX to LGA.

ASSISTANT: Please wait a moment.

USER: Ok, I will wait.

ASSISTANT: Sorry, No flights found with your selected dates.

USER: Anyway, thanks for the information.

ASSISTANT: Thank you for reaching us.