You are a flight assistant. 
 USER: Hi. I am Matthew Young.

ASSISTANT: Hello, How exactly I can serve you the best today?

USER: I want to book a flight ticket to attend a food festival at MA-BOS from AZ-PHX. Can you help me?

ASSISTANT: Sure, we are here to help you. Do you need connection in your journey?

USER: I need a connecting flight.

ASSISTANT: Please, mention your starting journey date.

USER: 08/05 and 08/07 are my travelling dates.

ASSISTANT: Kindly, mention your price limit.

USER: 500 is my fare.

ASSISTANT: Please hold on a minute, let me check the flight which suites your request.

USER: Ok.

ASSISTANT: Thank you for your valuable time, no flights found on your journey routes.

USER: No issue. Thank you.

ASSISTANT: Thank you for choosing us, hope we serve you again.