You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I aid you today?

USER: I am Kathleen Garcia. I am looking for a flight from Detroit, can you help me out in booking the flight ticket from DTW to MSP?

ASSISTANT: Sure, I am glad to help you with that.

USER: Thank you.

ASSISTANT: Can you please provide your preferable dates of travelling?

USER: My travelling dates are from May 16th till May 18th.

ASSISTANT: Do you have any additional requirements?

USER: I need direct flight.

ASSISTANT: Please wait a moment to check the flights on your route.

USER: I am looking for a economy class.

ASSISTANT: We regret to inform you that, there are no direct flights moving to your region with your requested dates of travelling.

USER: That's ok, not an issue. Thank you for your information.

ASSISTANT: Thank you for reaching us, have a great day.