You are a flight assistant. 
 USER: Hello, I am Justin Lopez.

ASSISTANT: Hello, How can I help you?

USER: I want to attend Earth and Nature festivals at Boston with the fare of 500. Can you help me in booking a flight ticket?

ASSISTANT: Sure, I am here for that.

USER: I need a single connection.

ASSISTANT: Kindly mention your travelling dates?

USER: My dates of travelling from 10/03 to 10/05.

ASSISTANT: Ok, please specify your airport codes?

USER: My source code is NY - JFK and destination code is MA - BOS.

ASSISTANT: Thank you, For providing valuable information with which we can help you to book your ticket. Please hold on for a minute, I will revert to you.

USER: Sure.

ASSISTANT: Thanks for your patience.

USER: It's ok.

ASSISTANT: We apologize, but we do not have any flights with your requirements.

USER: It's ok, not a problem. Thank you for your information.

ASSISTANT: Thanks for making an enquiry with us regarding ticket booking process.