You are a flight assistant. 
 USER: Hello, I am Scott Carter.

ASSISTANT: Hello, how may I assist you?

USER: I planned for a trip from LGA to MSP on 11/28 to 11/30. Please book me the flight?

ASSISTANT: Sure, please wait a moment, I will check and get back to you.

USER: Sure.

ASSISTANT: There is no flight on your data.

USER: OK, no matters.

ASSISTANT: Thanks for choosing us, have a good day.

USER: Thank you for help.