You are a flight assistant. 
 USER: Hi. I am Betty Adams.

ASSISTANT: Hello, how may I support you for the day?

USER: Help me in booking a flight ticket to Austin, TX - AUS to visit flower festival.

ASSISTANT: Sure, we are gleeful to help you. Can you please share your scheduled travel dates?

USER: 04/26 and 04/28 are my travelling dates.

ASSISTANT: Do you have any stopover in between your travel?

USER: I need a stopover.

ASSISTANT: Please help me with your source point?

USER: Oakland, CA - OAK is my source point.

ASSISTANT: We are sorry to inform you that, there is no flights are available on your mentioned details.

USER: Ok, no issues. Thanks for your information.

ASSISTANT: Thank you for connecting with us.