You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I assist you?

USER: I am Patrick Turner, can you help me booking flight from MSP it's a round trip?

ASSISTANT: Sure, can I know your travel dates?

USER: My travelling dates are 10/31 and 11/02.

ASSISTANT: Turner, there is no flight available on your requested dates.

USER: Oh! It's ok, no problem. Thank you for your services.

ASSISTANT: You are welcome.