You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, How can I assist you?

USER: I want to book a flight to New York to spend my holidays. Can you help me?

ASSISTANT: Sure, May I know the travelling dates?

USER: I will fly on Oct 15 and return on Oct 17.

ASSISTANT: Please help me with your journey codes.

USER: My source point is LAX and my destination is EWR.

ASSISTANT: Do you have any connection limit?

USER: I prefer a connecting flight.

ASSISTANT: Is there any other requirements?

USER: No.

ASSISTANT: May I know your name?

USER: My name is Edward Collins.

ASSISTANT: Sorry, No flights found with your chosen dates.

USER: Ok, thank you for the information.

ASSISTANT: Thank you for opting us.