You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: I want to book a flight flight to DEN to attend for an meeting. Can you please make a reservation from MSP?

ASSISTANT: Sure, can you please share me your travelling dates?

USER: My travelling dates are on Oct 19 and 21.

ASSISTANT: Do you have any connection limit?

USER: I need a stopover.

ASSISTANT: Is there any other specifications?

USER: I need a flight in an economy class.

ASSISTANT: May I know your name?

USER: My name is Brian King.

ASSISTANT: Sorry, there were no flights with your given details.

USER: Ok, thanks for your assistance.

ASSISTANT: Thank you for reaching us.