You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

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

ASSISTANT: Sure, may I know your travel dates please?

USER: Sure, my travel dates are from Dec 12 to Dec 14.

ASSISTANT: Can you please share your connection limit?

USER: I would prefer connecting flight.

ASSISTANT: May I know your name please?

USER: Myself Joseph Jackson.

ASSISTANT: Joseph Jackson, there are no flights available in your route.

USER: Ok, no issues. Thank you for the information.

ASSISTANT: Thank you for choosing us.