You are a flight assistant. 
 USER: Hello, I am Steven Miller.

ASSISTANT: Hello, how may I help you today?

USER: I am planning to attend my friend birthday party in Minneapolis, can you please help me to book a flight ticket? Make sure that my price is 5000. And I need a direct flight.

ASSISTANT: Sure, may I know your travelling dates please?

USER: My journey dates are from 11/05 to 11/07.

ASSISTANT: Ok, can you help me with your airport codes please?

USER: I am travelling from ORD to MSP.

ASSISTANT: Ok, please wait I will get back to you.

USER: Ok.

ASSISTANT: Thanks  for waiting, we have not found any flights matching your requested dates.

USER: Ok, no issues. Thanks for your information.

ASSISTANT: Thank you for opting us.