You are a flight assistant. 
 USER: Hello, my name is Benjamin Carter.

ASSISTANT: Hello, how can I help you?

USER: I want to book a flight ticket from NY-JFK to MN-MSP to meet my second cousin.

ASSISTANT: ok , please provide me your departure date?

USER: My departure day is 09/20, return day is 09/22.

ASSISTANT: Please wait for a moment.

USER: Ok.

ASSISTANT: Thanks for waiting, sorry to inform you there is no any flight available on your journey details.

USER: Ok, thanks for your service.

ASSISTANT: Thank you, have a nice day.