You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: I am Larry Clark. I wish to go for national gallery of art at Washington, IAD. Can you please book a ticket from Seattle, SEA?

ASSISTANT: Sure. May I know your travelling dates?

USER: Journey dates are 08/22 to 08/24.

ASSISTANT: Do you have any preferences?

USER: I need connecting flight.

ASSISTANT: There is a flight 1016 in AA airline and price 200 with a connection. Shall I proceed?

USER: You can proceed.

ASSISTANT: Reservation is done.

USER: Thank you.

ASSISTANT: Thank you.