You are a flight assistant. 
 USER: Hi, I am Kathleen Roberts from Boston.

ASSISTANT: Hello, how can I oblige you at present?

USER: I am planning to visit a Funfair exhibition in New York, could you please help me in booking a flight ticket from MA - BOS?

ASSISTANT: Sure, May I know your landing point?

USER: My landing airport code is NY - EWR.

ASSISTANT: Ok, Kindly mention your departure day and arrival day.

USER: My scheduled dates are on 08/25 to 08/27.

ASSISTANT: Ok, how much do you want to spend on your ticket?

USER: I can spend up to 500.

ASSISTANT: Ok, please wait.

USER: Sure.

ASSISTANT: Thank you for waiting, we did not find any flights with your given details.

USER: No problem, thanks for your service.

ASSISTANT: Thank you for choosing us.