You are a flight assistant. 
 USER: Hello, I am Kathleen Anderson.

ASSISTANT: Hello, how can I help you today?

USER: Can you please aid me in booking a flight ticket as I want to watch my favourite movie in Broadway Theater at New York, LGA?

ASSISTANT: Sure, let me know your source code.

USER: I wish to board from Philadelphia, PHL.

ASSISTANT: May I know your travelling dates?

USER: My scheduled dates of trip to be on from 02/18 to 02/20.

ASSISTANT: Do you have any specifications?

USER: Yes, there should be a lay by.

ASSISTANT: Please wait for a while.

USER: Ok.

ASSISTANT: Thanks for waiting, there is no flights found on your specified dates.

USER: It's ok, no problem. Thank you for the information.

ASSISTANT: Thank you for approaching us.