You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: Can you please assist me for booking a flight ticket to MSP in a direct flight?

ASSISTANT: Sure, please help me with your travel dates.

USER: My trip dates are on Oct 10 and 12.

ASSISTANT: May I know your source airport code?

USER: I am boarding from DEN.

ASSISTANT: May I know your name?

USER: Elizabeth Martin here.

ASSISTANT: Is there any other specifications regarding your journey?

USER: No.

ASSISTANT: Sorry, we did not find any flights for you.

USER: Ok, thank you.

ASSISTANT: Thank you for reaching us.