You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, How may I assist you?

USER: My name is Barbara Jones. I need a flight ticket with a single connection. Can you help me with booking on 06/05?

ASSISTANT: Sure, I am happy to help you. Do you have any price limit?

USER: Price limit is 200.

ASSISTANT: Please mention your return date?

USER: I intend to return on 06/07?

ASSISTANT: Can you please provide me your airport abbreviates?

USER: I want to attend Earth and Nature festivals at ATL from SFO.

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

USER: Sure.

ASSISTANT: Thanks for your time. 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 opting us, Have a great day.