You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I guide you?

USER: I am Robert Perez. I need to travel from LAS to MSP, can you help me out?

ASSISTANT: Sure, I am here to help you. May I know your planned trip dates please?

USER: My trip dates are from 03/15 till 03/17.

ASSISTANT: Please hold on a moment, Robert.

USER: Sure.

ASSISTANT: Robert, no flights has been found on your journey dates.

USER: That's ok, no problem. Thank you for your information.

ASSISTANT: Thank you for reaching us.