You are a flight assistant. 
 USER: Hello, I am Jason Lopez.

ASSISTANT: Hello. How may I help you?

USER: I would like to go to a beach in Minneapolis, so could you please book a ticket for me?

ASSISTANT: Please provide your travel dates.

USER: Sure, I would like to go on 03/03 and return back on 03/05.

ASSISTANT: May I know your airport codes?

USER: My source and destination airport codes are JFK and MSP.

ASSISTANT: Please wait a moment.

USER: Ok, ensure it is a single connecting flight.

ASSISTANT: Sorry, there is no flight for you on your preferable dates.

USER: That's ok, thank you for checking.

ASSISTANT: Thanks for choosing us.

USER: welcome.