You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I serve you?

USER: I am George Miller. I want to book a flight ticket with a single connection. Will you help me in flight booking?

ASSISTANT: Sure, we are here to help you. May I know your travelling dates?

USER: My departure is 04/03 and my return date on 04/05.

ASSISTANT: Please share your airport codes.

USER: I am planning to attend my friend birthday in DC - DCA and my origin from MA - BOS.

ASSISTANT: We found a AA airline,flight number:1019 and the price is 200.

USER: You can proceed to booking.

ASSISTANT: Your flight ticket has been processed.

USER: Thanks for your service.

ASSISTANT: Thank you for choosing us.