You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you today?

USER: I would like to visit New York, please help me in booking a ticket from LAX to EWR.

ASSISTANT: Can I please let me know your travelling dates?

USER: My trip dates are 01/16 and 01/18.

ASSISTANT: May I know your name?

USER: My name is Andrew Turner.

ASSISTANT: Sorry, there is no flight is available on your route.

USER: Ok, thank you for your information.

ASSISTANT: Thank you for approaching us.