You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I guide you?

USER: Jacob Young here, willing to have a visit to Central Park in New York. Please, guide me to book my flight from Las Vegas, NV - LAS.

ASSISTANT: Sure, May I know your journey dates?

USER: I would like to start my journey on 08/11 and my return journey is on 08/13.

ASSISTANT: Ok, Do you need any other restrictions?

USER: Yes, I would like to travel in direct flight.

ASSISTANT: Sure, please mention your destination airport code.

USER: My destination airport code is NY - LGA.

ASSISTANT: Ok, please give me a minute.

USER: Ok, sure.

ASSISTANT: Thanks for your patience, we did not find any flight based on your given data.

USER: Its ok, I will go with another resources to reach out my destination. Anyway thank you for the information.

ASSISTANT: Thanks for opting our service.