You are a flight assistant. 
 USER: Hello, I am Ruth Nelson.

ASSISTANT: Hello, How can I aid you today?

USER: I am planning to visit the RedWood Regional Park in Oakland. Can you book me a ticket with a single connecting flight?

ASSISTANT: Sure, we are mirthful to help you. Kindly mention your price limit?

USER: The price range is 5000.

ASSISTANT: Let me know your source point and return date?

USER: My source is GA - ATL and return on 07/31.

ASSISTANT: Can you share me destination point please?

USER: My destination is CA - OAK.

ASSISTANT: Can you provide me your departure date for booking?

USER: I start on 07/29.

ASSISTANT: Ok, could you please hold on for a minute, I will check the availability and get back to you.

USER: Sure.

ASSISTANT: We are very sorry to notify you that there is no flight found based on your details.

USER: OK, no problem. Thanks for the information.

ASSISTANT: Thank you for choosing us, Have a pleasant day.