You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: I want to attend my son's convocation ceremony, so book my ticket from MSP to PHX.

ASSISTANT: Your travelling dates please?

USER: My itinerary dates are Apr 8 and 10.

ASSISTANT: Do you have any connection limit?

USER: I need a connecting flight.

ASSISTANT: Is there any specifications?

USER: I want to depart from Minneapolis in the afternoon.

ASSISTANT: May I know your name please?

USER: William Brown here.

ASSISTANT: I am sorry no flights found on your route.

USER: No problem, thank you.

ASSISTANT: Thank you for choosing us.