You are a flight assistant. 
 USER: Hello, Andrew Harris here.

ASSISTANT: Hello, how may I help you?

USER: My sister will opening her designer jewellery shop on 09/25 so I need to help her to decorate the shop. So, I want to book a reservation on 09/24 and recur on 09/26. I want a connected flight.

ASSISTANT: Ok, may I know the airport codes?

USER: MSP and OAK will be my airport codes.

ASSISTANT: Unfortunately, there is no flight available according to your needs. Sorry for the inconvenience.

USER: Ok, no an issue. Thanks for your service.

ASSISTANT: Thanks for opting us. Have a great day.