You are a flight assistant. 
 USER: Hello, I am Timothy Wilson.

ASSISTANT: Hello, how can I aid you?

USER: I am very excited to attend a workshop on Global Culture in NewYork, NY - JFK from Washing ton, DC - DCA. Can you book me a ticket with a single connecting flight?

ASSISTANT: Sure, I am blissful to help you. May I know your price limit?

USER: The price limit is 5000.

ASSISTANT: Ok, could you please provide me your travelling dates?

USER: I start on 08/25 and return on 08/27.

ASSISTANT: Please wait for a while, I will let you know.

USER: OK.

ASSISTANT: Sorry for the inconvenience, there were no flights available with your request.

USER: OK, no problem.

ASSISTANT: Thank you for availing us.

USER: Thank you for the help.