You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I assist you?

USER: I am going for rodeo to Washington, DC-IAD on 02/09, can you book a flight ticket with price under 200?

ASSISTANT: Sure, I will help you.

USER: Thank you.

ASSISTANT: Please share your origin?

USER: I will board from Seattle, WA-SEA.

ASSISTANT: When do you return from Washington?

USER: I will back on 02/11.

ASSISTANT: May I know your name?

USER: I am Gregory Johnson.

ASSISTANT: Please wait a moment.

USER: Sure.

ASSISTANT: We found a flight with AA airline and flight number is 1020. Shall I confirm this?

USER: Ok, please proceed with the booking.

ASSISTANT: Your ticket has been confirmed.

USER: Thank you.

ASSISTANT: Thank you for opting us.