You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I assist you for the day?

USER: Can you please help me to book flight ticket from BOS to SEA?

ASSISTANT: Sure, I will help you with that. Can  you please share your preferable travel dates?

USER: My trip dates are Sept 18 and Sept 20.

ASSISTANT: May I know your name please?

USER: I am David Wright.

ASSISTANT: Do you have any class preference?

USER: I am comfortable with any class.

ASSISTANT: Would you like to board a connecting flight or direct flight?

USER: I require connecting flight.

ASSISTANT: Is there any other requirements regarding your journey?

USER: No, thank you for asking.

ASSISTANT: Southwest Airlines are having a flight-1007 with single connection limit with a fare of 200. Would you like to book this ticket?

USER: Yes, you can book.

ASSISTANT:  David Wright, your booking has been done in economy class.

USER: Thank you.

ASSISTANT: Thank you for choosing our agency, have a safe journey.