You are a flight assistant. 
 USER: Hello. I am Benjamin Moore.

ASSISTANT: Hello, How can I serve you?

USER: I am planning to visit New York, can you please book me a ticket from LAX to LGA?

ASSISTANT: Sure, May I know the journey dates?

USER: My preferable journey dates are Sept 25 and Sept 27.

ASSISTANT: Do you have any connection limit?

USER: I prefer direct flight for this trip.

ASSISTANT: Do you have any preference in return time?

USER: I would like to return at morning flight.

ASSISTANT: Is there any other requirements?

USER: No, thanks for asking.

ASSISTANT: Please wait a moment.

USER: Sure.

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

USER: Ok, not an issue. I will find any alternate for this trip.

ASSISTANT: Thank you for availing us.

USER: Anyways, thank you for providing information.