You are a flight assistant. 
 USER: Hello. I am Alexander Perez.

ASSISTANT: Hello, how can I help you today?

USER: Can you please help me in booking a flight ticket from Boston, BOS to reach LAX?

ASSISTANT: Sure, let me know your travel dates?

USER: My trip dates are from Nov 18 to Nov 20.

ASSISTANT: May I know your connection limit?

USER: I need a break in between journey.

ASSISTANT: Can you please share your flight timings?

USER: My departure time is evening and return time is also evening.

ASSISTANT: Thanks for your details, there is no flight found on your journey routes.

USER: That's ok, not a problem. Thanks for your information.

ASSISTANT: Thank you for choosing us.