You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I assist you?

USER: Can you please book me a direct flight to Washington, DC - IAD?

ASSISTANT: Sure, may I know your travel dates?

USER: 03/27 and 03/29 are my travelling dates.

ASSISTANT: Can you please provide me your origin airport code?

USER: My origin is Austin, TX - AUS.

ASSISTANT: May I know your good name please?

USER: Kenneth Allen is my name.

ASSISTANT: We found a flight on your details with airline UA, flight number: 1018. Shall I proceed for booking?

USER: May I know price and connection limit?

ASSISTANT: It is a connecting flight and price is 100.

USER: Please don't proceed for booking. I need a direct flight.

ASSISTANT: Ok. Thanks for choosing us.

USER: Thank you.