You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Samuel Phillips here.

ASSISTANT: Samuel, how can I help you today?

USER: I would like to visit Minneapolis to meet my friend, please help me in booking a ticket from ORD to MSP.

ASSISTANT: Sure, I will help you with that. Please mention your travel dates.

USER: My travel dates are 11/12 and 11/14.

ASSISTANT: Please wait for a moment.

USER: Sure, take your time.

ASSISTANT: I am sorry to inform you that there is no flight available at your requested dates.

USER: Ok, no issues. Thank you for your information.

ASSISTANT: Most welcome.