You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Is this flight ticket booking agency?

ASSISTANT: Yes, you are in right place. How can I help you?

USER: There is a place in  Minneapolis it is famous for Arts, so I would like to visit that place, in my winter holidays, can you please book a flight ticket from Oakland on 01/05?

ASSISTANT: That's great to hear. When would you like to return from your destination?

USER: I would like to return Oakland on 01/07.

ASSISTANT: I want to know your source and destination airport codes?

USER: I would like to take off from OAK airport because it is near to my location and destination airport is MSP.

ASSISTANT: Ok, hold on for a moment. I will be back with the flight details.

USER: Ok.

ASSISTANT: May I know your name for booking the ticket?

USER: Yes, my name is Emma Carter.

ASSISTANT: I am Sorry Emma, I couldn't find any flight on your requested dates. Sorry for the inconvenience.

USER: It's ok, no problem, I will go with another airline.

ASSISTANT: Thank you.

USER: I really appreciate all the hard work you’ve done to help me. Thank you.

ASSISTANT: Have a nice day.