You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Stephanie King. I would like to book a flight ticket from BOS to SFO. Could you please help me out?

ASSISTANT: Sure, I will guide you in booking the ticket. May I know your travelling dates please?

USER: I am planning to start on 11/10 and return back on 11/12.

ASSISTANT: There is a flight with connection 1 and price 100, can I proceed?

USER: Yes, please proceed.

ASSISTANT: Ok, your ticket has been booked with flight number 1009.

USER: Thank you.

ASSISTANT: Thank you for choosing us.