You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I help you?

USER: I am Scott Brown and I would like to travel from Oakland, CA - OAK on 01/26 to Las Vegas, NV - LAS to attend my cousin's birthday party. Can you help me with that?

ASSISTANT: Sure, I am here to help you. May I know your return date?

USER: Sure, it is on 01/28.

ASSISTANT: Thanks for providing your details. Sorry there is no flight found on your schedule dates.

USER: Ok, thank you for your response.

ASSISTANT: Thanks for connecting us, have a good day.