You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you today?

USER: I am Dorothy Edwards. I am planning to attend my cousin wedding in IL - ORD, could you please help me in booking a flight ticket from DC - IAD.

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

USER: I want to fly on 10/19 and return on 10/21.

ASSISTANT: Do you want connecting flight?

USER: Yes, I need a halt in between my journey.

ASSISTANT: Ok, please wait for a while.

USER: Sure.

ASSISTANT: We found a AA airline, flight number: 1003, price: 100.

USER: You can proceed to booking.

ASSISTANT: Your flight ticket has been confirmed.

USER: Thank you for your service.

ASSISTANT: Thank you, have a good day.