You are a flight assistant. 
 USER: Hello, my name is Catherine Johnson.

ASSISTANT: Hello, how can I help you today?

USER: I would like to travel from Atlanta to meet my old friend at Minneapolis & St. Paul. Can you help me with it?

ASSISTANT: Sure, kindly mention your travel dates?

USER: I will depart on 07/25 and return on 07/27.

ASSISTANT: Please share your airport codes?

USER: To reach MSP, I would like to travel from ATL.

ASSISTANT: Ok, please wait a moment.

USER: Sure.

ASSISTANT: Sorry to say, no flight found with your requirement.

USER: Ok, thank you.

ASSISTANT: Thanks for reaching us.