You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I would like to book a ticket from ORD to IAD, can you please help me out?

ASSISTANT: Sure, help me with the trip dates?

USER: I am travelling on these dates Aug 2nd and 4th.

ASSISTANT: May I know your name please?

USER: Paul Garcia here.

ASSISTANT: Do you have any preferences?

USER: I need single connected flight.

ASSISTANT: We found an airline: Southwest, flight number: 1006 and price is 200 with one connection. Shall I proceed to book?

USER: OK, you can proceed.

ASSISTANT: Your flight ticket has been booked.

USER: Thank you for your services.

ASSISTANT: Thank you for reaching us.