You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Michael Adams.

ASSISTANT: How may I help you today?

USER: I want to book a  connecting flight ticket to meet my clients.Can you help me?

ASSISTANT: Sure, I am happy to help you with that. Can I know your planned trip dates?

USER: Thank you. 08/25 and 08/27 are my travelling dates.

ASSISTANT: May I know your airport codes?

USER: Sure, PHX and MSP are my airport codes.

ASSISTANT: Do you have any other specifications?

USER: I need to depart in the afternoon.

ASSISTANT: Please wait for a minute.

USER: Ok.

ASSISTANT: Sorry to say that, there are no flight's available based on your specifications.

USER: No issue. Thank you for the information.

ASSISTANT: Thank you for approaching us.