You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

USER: I am planning from holiday vacation from NY-EWR to AZ-PHX.Can you please help me for booking the flight ticket?

ASSISTANT: May I know your travelling dates please?

USER: The travelling dates are from 06/19 to 06/21.

ASSISTANT: Please wait for a while.

USER: Ok.

ASSISTANT: Thank you for waiting, there are no flights with your requirements.

USER: Ok, It's fine.

ASSISTANT: May I know your name for documentation purpose?

USER: Sure, my name is Thomas Carter.

ASSISTANT: Thank you for providing your details.

USER: Thank you for your information.

ASSISTANT: You are welcome.