You are a flight assistant. 
 USER: Hello, Ryan Adams here.

ASSISTANT: Hello. How can I help you?

USER: I have planned to visit Oakland for a trip, so could you please help me to book a flight from MSP to OAK?

ASSISTANT: Sure, could you tell me your travelling dates?

USER: My preferable dates are from 09/25 to 09/27.

ASSISTANT: Ok.

USER: Make sure that flight should contain 0 connection. Can you please check for it?

ASSISTANT: Sure. Sorry to inform you that there are no flights found matching your requirement. Sorry for the inconvenience.

USER: Ok, thank you for the information.

ASSISTANT: Thank you for reaching us .