You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I help you today?

USER: Help me in booking a flight from BOS to SFO?

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

USER: I like to travel on Mar 31 to Apr 02.

ASSISTANT: Is there any connection limit for you?

USER: I prefer connection flight.

ASSISTANT: May I know if you prefer to have any other comforts in your journey?

USER: No.

ASSISTANT:  May I know your name for the documentation process?

USER: I am Barbara Rodriguez.

ASSISTANT: Sorry, no flights are available in this route as per your requested dates.

USER: That's ok, thank you.

ASSISTANT: Thank you for reaching us.