You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: I am Paul Anderson. I want to book a ticket from MSP to DFW, can you make a reservation?

ASSISTANT: Paul Anderson, I am willing to help you for this. When you are willing to leave?

USER: My travelling dates are on Nov 12 and Nov 14.

ASSISTANT: Do you have any airline preference?

USER: No, but I need to depart at afternoon time.

ASSISTANT: Do you have any other requirements?

USER: I need a single connection.

ASSISTANT: Sorry to inform, no flights are found with your criteria.

USER: Ok, not a problem. Thank you.

ASSISTANT: Thank you very much for reaching our agency.