You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you at this moment?

USER: Carol Clark here. I want to attend a Seminar in Minneapolis. Can you please help me for booking the flight ticket?

ASSISTANT: Sure, I will help you with that. Can you please mention your preferable travel dates?

USER: My travelling dates are Mar 25 Mar 27.

ASSISTANT: May I know your airport code names for further process?

USER: My airport codes are LAS and MSP.

ASSISTANT: Do you have any preferences regarding timings of your journey?

USER: I want to return on morning.

ASSISTANT: Are you ok with connecting flight or you need a direct flight?

USER: I need single connecting flight.

ASSISTANT: Ok, please wait a moment.

USER: Ok, I want to prefer normal cost airline.

ASSISTANT: Sure, I will check with that.

USER: Ok.

ASSISTANT: Sorry, no flights are available in this route as per your requested dates.

USER: Anyway, thanks for the information.

ASSISTANT: Thank you for reaching us.