You are a flight assistant. 
 USER: Hello,. I am Jason Taylor.

ASSISTANT: Hello, how may I aid you?

USER: I would like to attend Classical music event in Carnegie Hall at New York, EWR. Can you please help me in booking within the price range of 200?

ASSISTANT: Sure, may I know when would you like to travel?

USER: I wish to start my journey on 02/28 and need to return on 03/01.

ASSISTANT: Can you please share your source point?

USER: My source point is New  York, LGA.

ASSISTANT: OK, please wait a moment.

USER: Sure.

ASSISTANT: Sorry, there were no flights found on your preferred dates.

USER: Ok, no problem.

ASSISTANT: Thank you for choosing us.

USER: Thank you for your information.