You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, In what way can I assist you now?

USER: I would like to book a ticket from BOS to ATL, can you please help me with that?

ASSISTANT: Sure, please share me your trip dates.

USER: The travel dates are from 03/15 to 03/17.

ASSISTANT: Do you need direct flight or connecting flight?

USER: I need a flight with one connection limit.

ASSISTANT:  If you can help me with your name, I can begin looking up for the availability of flights.

USER: Daniel Taylor here.

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

USER: No.

ASSISTANT: Sorry to say that, there are no flights available on the routes of your journey.

USER: That's ok, thank you for your help.

ASSISTANT: Thank you for choosing us.