You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

USER: I am planning to visit Boston, can you please book me a ticket from IAD to BOS?

ASSISTANT: Sure, please share your travel dates.

USER: My preferable journey dates are Mar 18 and Mar 20.

ASSISTANT: Do you have any preferences?

USER: I prefer connecting flight for this trip.

ASSISTANT: Do you have any other preferences?

USER: No.

ASSISTANT: May I know your name?

USER: My name is Kenneth Scott.

ASSISTANT: Flight-1017 is available in Delta airlines with single connection and the ticket fare is 200. Can I proceed?

USER: Please reserve my ticket in this flight.

ASSISTANT: Your booking is confirmed.

USER: Thank you for the help.

ASSISTANT: Thank you for reaching us.