You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Patrick Edwards.

ASSISTANT: How can I help you Edwards?

USER: I planned to attend for a wedding in JFK, can you please help me to book a flight ticket from MSP?

ASSISTANT: Ok, please tell us your travel dates.

USER: I prefer to travel on 03/20 and 03/22.

ASSISTANT: Please wait for a moment.

USER: Sure.

ASSISTANT: Sorry, no flight is available on your route.

USER: Ok, not an issue. Thank you for your time.

ASSISTANT: You are welcome.