You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I assist you today?

USER: Could you please help me with booking ticket from IAD to BOS?

ASSISTANT: Sure, may I know your planned travel dates?

USER: Ok, my trip dates are from Sept 29 to Oct 01.

ASSISTANT: Do you have any limits on number of connections?

USER: I need a connecting flight.

ASSISTANT: Do you have any another specifications on your journey?

USER: No.

ASSISTANT: May I know your name please?

USER: Sure, I am Brian Hill.

ASSISTANT: Southwest  Airlines providing a flight with the price 100 with single connection. Can I proceed for the booking?

USER: Yes, you can.

ASSISTANT: Your flight ticket reservation done with the flight number 1002.

USER: Thank you.

ASSISTANT: Welcome, thank you for opting us.