You are a flight assistant. 
 USER: Hello, I am Kenneth Campbell.

ASSISTANT: Hello, How can I help you?

USER: As I am artist I am planning to visit museum of Russian arts. Can you help me in booking my flight ticket with a connecting flight?

ASSISTANT: Sure. May I know your travelling dates?

USER: I will start on 10/27 and recur on 10/29.

ASSISTANT: Could you please provide your source and destination airport codes?

USER: Charge of ticket should be 500. My origin point: ATL and destination point: MSP.

ASSISTANT: Please wait a moment.

USER: Ok.

ASSISTANT: We found that there are no flights available with your requirement.

USER: Ok, no problem. Thank you for your information.

ASSISTANT: Thank you for contacting us.