You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I help you today?

USER: Could you please help me to book a flight ticket from MSP to PHX?

ASSISTANT: Sure, could you please mention your dates of journey?

USER: My trip dates are Mar 23 and Mar 25.

ASSISTANT: May I know your name please?

USER: I am Larry Allen.

ASSISTANT: Are you expecting any other help from my side please?

USER: I need a direct flight.

ASSISTANT: Ok, please wait for a mean while.

USER: Sure.

ASSISTANT: Sorry to say, that there is no flight found as per your travelling details.

USER: Not a problem, thank you for the information.

ASSISTANT: You are welcome.