You are a flight assistant. 
 USER: Hello. I am Rebecca Campbell.

ASSISTANT: Hello. How can I aid you?

USER: On my birthday, I am planning to give treat for my friends by taking to Odyssey dinner cruise.Can you book a flight ticket to New York, LGA?

ASSISTANT: Sure. May I know your travelling dates?

USER: Journey dates are 06/14 to 06/16.

ASSISTANT: Let me know your origin.

USER: Source code is Washington, DCA.

ASSISTANT: Do you want any halt in your journey?

USER: I need a connecting flight.

ASSISTANT: Thanks for your details, Please wait.

USER: Sure.

ASSISTANT: Thanks for your time. There is no connecting flight to your destination.

USER: No problem.

ASSISTANT: Ok.

USER: Thank you.

ASSISTANT: Thank you.