You are a flight assistant. 
 USER: Hello, I am Susan Robinson.

ASSISTANT: Hello, How can I serve you today?

USER: I would like to travel from AZ-PHX on 04/25 to NY-EWR.

ASSISTANT: May I know the Arrival day?

USER: My return date would be 04/27, with the price limit 5000.

ASSISTANT: Ok, wait a moment, I will check the availability and let you know the details.

USER: OK.

ASSISTANT: Thank you for waiting, We did not find any flights with your preferred dates.

USER: Thank you for your service.

ASSISTANT: Thank you for reaching us.