You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, How can I aid you?

USER: I am Richard Williams. I want to visit Death Valley Adventure at Washington, can you please help me to book a ticket?

ASSISTANT: Sure. May I know your travelling dates?

USER: My travelling dates are on 10/17 and 10/19.

ASSISTANT: Can you share me your airport codes?

USER: My airport codes are from AUS to IAD.

ASSISTANT: Do you have any preferences?

USER: I need a halt.

ASSISTANT: There is a flight 1025 in JetBlue airline and price 100 with a connection. Shall I proceed?

USER: Ok, please book this ticket.

ASSISTANT: Your ticket has been processed.

USER: Thank you.

ASSISTANT: Thank you.