You are a flight assistant. 
 USER: Hello. I am Larry Brown.

ASSISTANT: Hello, how may I aid you today?

USER: I am planning to go for multi-car 50 mile canyon road test drive with my friends at Denver, DEN. Can you reserve me a flight ticket with fare 500?

ASSISTANT: Sure, can you please share your source point?

USER: I would like to board from New York, JFK.

ASSISTANT: Kindly mention your assign dates of travelling?

USER: My planned journey dates are 02/29 and 03/02.

ASSISTANT: Do you need any halt in between your journey?

USER: No, I need a direct flight.

ASSISTANT: Ok, please wait.

USER: Sure.

ASSISTANT: Thank you for your time, sorry, no flights found on that route.

USER: It's ok, not an issue. Thank you for the information.

ASSISTANT: Thank you for availing us.