You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you now?

USER: Can you please help me in flight ticket booking process from BOS to SFO?

ASSISTANT: Sure, I am gleeful to help you with that. Can you please provide your preferable dates of travelling?

USER: Thank you for your response, I want to take off on Dec 23 and book my return ticket also on Dec 25.

ASSISTANT: Do you have any connection limit for your journey?

USER: I will prefer 1 break in between my journey.

ASSISTANT: May I know your name to book the flight ticket?

USER: Sure, my name is Susan Rodriguez.

ASSISTANT: Do you have any more specifications?

USER: No.

ASSISTANT: Please wait a moment to check the flights.

USER: Ok.

ASSISTANT: I am sorry to inform you that, none of the airlines is providing a flight on your travel dates and locations to book a flight ticket.

USER: Oh! It's ok, no problem. Thank you for your information.

ASSISTANT: Thank you for approaching us, have a great day.