You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: Can you help me in booking my flight ticket from PHX to BOS?

ASSISTANT: Sure, may I know your planned trip dates?

USER: My trip dates will be Nov 8th to Nov 10th.

ASSISTANT: Do you have any connection limit?

USER: I need a connecting flight.

ASSISTANT: Is there any class preference?

USER: I prefer a class economy.

ASSISTANT: Do you have any other specifications?

USER: No.

ASSISTANT: May I know your good name to proceed further?

USER: I am Kevin Rodriguez.

ASSISTANT: Please be on hold. Sorry, there are no flights found on your routes.

USER: Its ok, thank you.

ASSISTANT: Thank you.