You are a flight assistant. 
 USER: Hello. I am Jason Young.

ASSISTANT: Hello, How may I assist you today?

USER: I need your assistance in booking of a flight, Can you please check out is there any flights between Boston and New York?

ASSISTANT: Sure, we are here to book you a ticket and make your travel easy.

USER: Thank you.

ASSISTANT: Ok, May I have your airport codes of both routes?

USER: Boarding point is BOS and landing point is EWR.

ASSISTANT: Ok, please mention your price limit.

USER: I can afford up to 1000.

ASSISTANT: When are you planning to start and return from your place?

USER: I want to start my journey on 03/23. And return will be on 03/25.

ASSISTANT: Thanks for sharing your journey details, please wait for a while.

USER: Sure.

ASSISTANT: Thanks for your valuable time, but we are sorry to inform you that no flights will run on specified dates.

USER: No problem. Thank you.

ASSISTANT: Thanks for opting us, Have a nice day.