You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, how may I help you today?

USER: Can you please help me in booking my flight ticket from LGA to JFK?

ASSISTANT: Sure, can you please share your journey dates?

USER: My planned travel dates are Aug 10-12.

ASSISTANT: Are you looking for any preferred connections?

USER: I want to fly in connecting flight.

ASSISTANT: Are you looking for any preferred class?

USER: I prefer to travel in business class for this trip.

ASSISTANT: Do you have any other specifications to be met?

USER: Make sure that, my return would be in the afternoon.

ASSISTANT: Can I have your name to proceed further?

USER: Myself Paul Clark.

ASSISTANT: Ok, please wait a moment.

USER: Ok.

ASSISTANT: Thank you for your valuable time, unfortunately no flights available on that route.

USER: Ok, no issues. Thank you for checking.

ASSISTANT: Thank you for reaching us.