You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I would like to book a flight ticket from MSP to PHX for attending a event.

ASSISTANT: Sure, I am here to help you for this. When are you planning your trip?

USER: Sure, my planning travel dates are Mar 15 and Mar 17.

ASSISTANT: May I know your name please?

USER: I am Thomas Young.

ASSISTANT: Is there any specifications regrading your journey?

USER: Yes, I prefer to travel in a connecting flight.

ASSISTANT: Do you have any other criteria?

USER: No, I do not have any other criteria.

ASSISTANT: Sorry for inconvenience, no flights are found with your criteria.

USER: No worries, thank you for the information.

ASSISTANT: Thank you very much for contacting our agency.