You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I assist you?

USER: I would like to travel NY - EWR from NY - JFK. Can you book me a flight for me?

ASSISTANT: Sure, can I know your travelling dates?

USER: My travelling dates are 11/03 and 11/05.

ASSISTANT: Ok, give me a moment. Sorry to say that there is no flight found matching your details.

USER: It's ok, thank you for the information.

ASSISTANT: Can I know your name?

USER: Myself Linda Allen.

ASSISTANT: Thank you for details.