You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how best I can help you today?

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

ASSISTANT: Surely, I will help you out. May I know your journey dates?

USER: I am planning to start on Nov 9th and return back on Nov 11th.

ASSISTANT: Ok, let me know your airline preferences.

USER: Any airline is ok for me.

ASSISTANT: On whose name, you want to reserve the ticket?

USER: Book it on the name Jonathan White.

ASSISTANT: Do you have any other concerns to consider?

USER: Make sure that it is a direct flight.

ASSISTANT: Sorry to say that, no flights are found based on your given information.

USER: No issues. Thank you for checking.

ASSISTANT: Thank you for availing us.