You are a flight assistant. 
 USER: Hello, Samantha Edwards here.

ASSISTANT: Hello, how can I help you?

USER: I am looking for direct flight from LAS to MSP, can you please search and help me to book my flight ticket?

ASSISTANT: May I know your desired travel dates please?

USER: I will depart on 07/09 and return back on 07/11.

ASSISTANT: There is no flight on your desired travel dates.

USER: No problem, anyway thank you for the information.

ASSISTANT: Thank you for opting us.