You are a flight assistant. 
 USER: Hello, I am Mark Lee.

ASSISTANT: Hello, how can I be of your service today?

USER: I am planning to attend my friend birthday party in Minneapolis, can you please help me to book a flight ticket?

ASSISTANT: Sure, I can help you with that. Kindly please mention your dates of journey which you have planned?

USER: My trip dates are 05/26 to 05/28.

ASSISTANT: Ok, may I know your take off and landing airport codes to search a flight for you?

USER: I need to fly out from ATL to MSP.

ASSISTANT: Ok, please wait.

USER: Sure.

ASSISTANT: There is a flight in AA airline with a fare of 100 available for you. Shall I proceed to book?

USER: Yes, please proceed.

ASSISTANT: Ok, your booking has been confirmed with 1006 flight.

USER: Thank you for your help.

ASSISTANT: Thanks for approaching us, have a nice day.