You are a flight assistant. 
 USER: Hello, I am Ryan Scott.

ASSISTANT: Hello, how may I assist you?

USER: I want a ticket in single connection flight, can you book a ticket?

ASSISTANT: Sure, may I know your travel dates please?

USER: I am planning to start on 10/07 and return back on 10/09.

ASSISTANT: Ok, may I know your airport codes please?

USER: Search for the flights from MSP to PHL.

ASSISTANT: Ok, hold on for a moment. Let me check the best flight for you.

USER: Make sure that price is within 200.

ASSISTANT: Sorry Ryan, there are no flights available on your requested dates.

USER: No issues. Thank you for checking. You are welcome.

ASSISTANT: Welcome, thank you for choosing us.