You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you?

USER: Please book me a flight ticket from IAD to MSP to meet my family.

ASSISTANT: Sure, I can help you with that. May I know your travel dates please?

USER: I have planed to travel on Oct 20 and return on Oct 22nd.

ASSISTANT: Do you prefer any halt in between your journey?

USER: Yes, I prefer connecting flight.

ASSISTANT: Please let me know if you have any other specifications.

USER: No, thanks.

ASSISTANT: Can I have your good name please?

USER: Gary Parker.

ASSISTANT: Southwest airlines is providing a flight on that route with ticket fare of 200 and 1 connection, shall I proceed for booking?

USER: Ok, please book this ticket.

ASSISTANT: I have successfully booked you an economy class ticket in flight-1005, have a safe journey.

USER: Thank you.

ASSISTANT: Thank you for choosing us.