You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you at this moment?

USER: My plan is to visit New York for a vacation, can you help in finding a flight with single connection?

ASSISTANT: Sure, I am glad to help you. Can you provide your planned travelling dates?

USER: My plan to travel on 09/12 and return on 09/14.

ASSISTANT: Can you please tell me your take off and landing airport codes?

USER: My boarding point is AZ-PHX and landing airport is NY-EWR.

ASSISTANT: Can I know your good name please?

USER: Andrew Collins.

ASSISTANT: Ok, wait a while.

USER: Sure.

ASSISTANT: Thank you for waiting, There were no flights found based on your travelling dates.

USER: Ok, thank you for your service.

ASSISTANT: Thank you for availing us.