You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. Happy New. Happy New Year!. How may I help you?

USER: Myself Matthew Perez. I would like to travel to San Francisco for this weekend to meet my family from Austin, so I want to book a ticket, can you help me?

ASSISTANT: Sure, I'll help you. On which dates, you are planning to move from Austin?

USER: I am departing on 06/28 from San Francisco and return from Austin on 06/30.

ASSISTANT: Ok. If you know about your airport codes then please let me know.

USER: My nearest airport is AUS and destination airport is SFO.

ASSISTANT: Mr. Matthew, sorry to say but there is no flight available from your location.

USER: That's fine, I will check for other alternative. Thanks for your information.

ASSISTANT: Sure. Most welcome.