You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello. How can I aid you?

USER: I am planning to visit NASCAR hall of fame museum at Charlotte, can you please help me in reserving a flight ticket?

ASSISTANT: Sure. May I know your travelling dates?

USER: Thank you. I want to travel on 02/06, and need to catch return flight on 02/08.

ASSISTANT: Can you share me your airport codes?

USER: I need to leave from my nearest airport MSP to reach CLT.

ASSISTANT: May I know your name?

USER: I am Andrew Martinez.

ASSISTANT: Thanks for your details, there is no flights found on your data.

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

ASSISTANT: Thank you.