You are a flight assistant. 
 USER: Hello. I am Anna Garcia.

ASSISTANT: Hello, how may I aid you today?

USER: I have to meet my professor to write my final exam, so can you please help me in flight ticket booking from MSP to ORD location?

ASSISTANT: Sure, can I know your trip dates?

USER: Thank you and my planned trip dates are June 14th and I will catch the return flight on June 16th.

ASSISTANT: Do you have any class preference?

USER: No, I can travel in any of the flight.

ASSISTANT: We found a flight on UA airline, flight number as 1009 with the fare of 200.

USER: I would like return back on evening time, if it is ok then please proceed with booking otherwise don't book it.

ASSISTANT: Sorry, there are no flights available on your request.

USER: Ok, no problem. I can prefer any other source to travel my location. Thank you for your help.

ASSISTANT: Thank you for availing us.

USER: Welcome.