You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, How can I assist you?

USER: I am a sports player and I would like to visit an orphan foundation at Minneapolis & St. Paul, in the dates of 02/11 and 02/13. Can you help me with reservation?

ASSISTANT: Sure, May I know the journey codes?

USER: Source is from Washington, DC - DCA. Destination is to MN - MSP.

ASSISTANT: Can I get your name?

USER: I am Charles Carter.

ASSISTANT: Please give a minute.

USER: Sure.

ASSISTANT: Very sorry, No flights found with your dates.

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

ASSISTANT: Thank you for opting us.