You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I assist you?

USER: Book a ticket to San Francisco, SFO on 08/15 as I want to meet my girl friend at Golden Gate Bridge.

ASSISTANT: Sure, please provide your origin airport code.

USER: My origin airport code is Austin, TX - AUS.

ASSISTANT: Please share your return journey date.

USER: 08/17 is my return journey date.

ASSISTANT: Do you want connecting flight or direct flight?

USER: I want only connecting flight with one connection.

ASSISTANT: UA airlines with single connection and price is 200 of 1010 flight. Shall I proceed for booking?

USER: Yes, please proceed.

ASSISTANT: Your ticket has been confirmed.

USER: Thank you.

ASSISTANT: Thank you.