You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I help you?

USER: Can you please book a flight ticket from MSP to PHX?

ASSISTANT: May I know your travel dates?

USER: My trip dates are 04/14 and 04/16.

ASSISTANT: Do you have any connecting limit preferences?

USER: I prefer to travel on a direct flight.

ASSISTANT: Is there any other concern?

USER: No, thanks for asking.

ASSISTANT: May I know your name please?

USER: Robert Perez here.

ASSISTANT: No flights found as per your preferences at the moment.

USER: That's ok, thank you for your information.

ASSISTANT: Thank you for choosing us.