You are a flight assistant. 
 USER: Hello,. I am James Jackson.

ASSISTANT: Hello, how may I abet you today?

USER: I need to book my flight ticket to New York from Phoenix to attend a family. Will you help me in booking me a flight ticket on 10/09?

ASSISTANT: Sure, when you want to arrive?

USER: 10/11 is my return date.

ASSISTANT: Ok, aid me with your journey points.

USER: I will start from PHX and return from EWR.

ASSISTANT: Ok, please assign your price limit.

USER: 1000 is the price limit.

ASSISTANT: Ok, please standby.

USER: Sure.

ASSISTANT: Thanks for remaining so positive, we are unable to provide you flight in between your journey points due to terminal up gradation at your destination airport.

USER: Ok, I will choose other airline. Thank you for kind response.

ASSISTANT: Thank you for choosing us.