You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello,. How can I assist you today?

USER: I am Karen Nelson. I want to book a flight ticket with a connecting flight. Can you help me in booking a flight ticket under the price of 500?

ASSISTANT: Sure, we are glad to help you. Help me with your trip dates?

USER: My travelling dates are from 11/12 to 11/14.

ASSISTANT: Kindly, forward your airport codes.

USER: My airport codes are from New York, JFK to New York, LGA.

ASSISTANT: Please, wait for awhile.

USER: Sure.

ASSISTANT: Thanks for waiting. There is no flight found to your dstination.

USER: Ok, No problem. Thanks for the information.

ASSISTANT: Thank you for availing us, have a nice day.