You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Scott Jackson.

ASSISTANT: How can I help you today?

USER: I am planning for a round trip from BOS, can you please help me in booking a flight ticket?

ASSISTANT: Sure, I am here to help you in booking process. Could you please share your travel dates?

USER: I am planning to start my journey on 03/26 and return back on 03/28.

ASSISTANT: Please wait a moment.

USER: Ok, take your time.

ASSISTANT: Sorry, no flights are available on your preferable dates.

USER: That's ok, thank you for checking.

ASSISTANT: Thank you for choosing us, have a safe flight.